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Physics Behind Everything
India
เข้าร่วมเมื่อ 1 ก.พ. 2020
This channel physics behind everything is all about teaching of physics for class 9th, 10th, 11th, 12th , jee mains, adwance and for neet aspirants and also about solution of every previous year questions of physics asked in competitive exam like neet, jee mains and cbse board and also of state board exams....
At This Channel We had covered almost all previous year questions of physics subject of jee mains, jee adwance and neet entrance exam
it would be helpful for student who are eager to learn physics or to revise their concept of physics taught in their classroom, we will release our video in language HINGLISH ( Hindi & English ).
it will also helpful for students for their board exams to clear the concepts of physics....
i hope you will like our content if yes then don't forget to like and share our videos and also subscribe our channel.
At This Channel We had covered almost all previous year questions of physics subject of jee mains, jee adwance and neet entrance exam
it would be helpful for student who are eager to learn physics or to revise their concept of physics taught in their classroom, we will release our video in language HINGLISH ( Hindi & English ).
it will also helpful for students for their board exams to clear the concepts of physics....
i hope you will like our content if yes then don't forget to like and share our videos and also subscribe our channel.
Section B Removed NEET 2025 | NTA Official Update Latest Update | NEET 2025 | 3 Hour | 180 Minutes
### **NEET Exam Pattern Changes: Insights and Detailed Analysis**
The National Testing Agency (NTA), the official body responsible for conducting the NEET exam, recently announced changes to the exam pattern. These modifications affect the number of questions, the time duration, and overall strategy for students preparing for this highly competitive exam.
---
### **Previous NEET Pattern: Key Features**
Under the earlier format, the NEET exam included:
- **200 Total Questions**:
- 180 compulsory questions.
- 20 optional questions (Section B).
- **Duration**: 200 minutes (3 hours 20 minutes).
- Students had the flexibility to attempt **180 out of 200 questions**, using optional questions to maximize their scores.
---
### **Updated NEET Pattern by NTA**
The NTA has now revised the NEET exam pattern with the following changes:
- **Total Questions**: Reduced to **180**, with all questions being **compulsory**.
- **Time Duration**: Reduced to **180 minutes** (3 hours).
- **Flexibility**: The option to skip 20 questions is no longer available, requiring students to answer every question.
---
### **Key Differences Between Old and New NEET Patterns**
| Aspect | Previous Pattern | Updated Pattern |
|----------------------------|-----------------------------------------|---------------------------------------|
| **Number of Questions** | 200 (180 + 20 optional) | 180 (all compulsory) |
| **Time Duration** | 200 minutes | 180 minutes |
| **Flexibility** | Allowed skipping 20 questions | No flexibility; all questions must be answered |
| **Time per Question** | ~1 minute per question | ~1 minute per question |
| **Difficulty Level** | Slightly balanced due to options | Higher, as all questions are mandatory |
---
### **Impact of Changes on Aspirants**
1. **No Flexibility in Question Selection**
- Earlier, students could skip difficult questions, focusing on areas of strength.
- With all questions compulsory, aspirants must now prepare every topic thoroughly to ensure success.
2. **Reduced Time, Higher Pressure**
- The reduction in exam duration from 200 minutes to 180 minutes means students have less time to think and solve questions.
- Efficient time management and practice are more critical than ever.
3. **Comprehensive Preparation Is Essential**
- Without optional questions, aspirants must ensure mastery over the entire syllabus, leaving no room for selective study.
4. **Level Playing Field**
- The NTA’s updated format ensures all candidates face the same set of questions, promoting uniformity in assessment.
---
### **How to Adapt to the New NEET Pattern?**
1. **Master Time Management**
- Develop the ability to solve questions quickly and accurately within the given timeframe.
2. **Complete Syllabus Coverage**
- Focus on every topic in Physics, Chemistry, and Biology, as no area can be skipped under the new format.
3. **Regular Practice with Updated Mock Tests**
- Attempt mock tests designed with the revised pattern to build confidence and improve problem-solving speed.
4. **Strengthen Weak Areas**
- Identify and work on weaker sections to ensure comprehensive preparation.
5. **Stay Updated with NTA Guidelines**
- Regularly check updates from the NTA to stay informed about the latest exam notifications.
### **Role of NTA in NEET Conduct**
The NTA, known for its systematic and transparent approach, has made these changes to enhance the exam’s efficiency and fairness. The revised pattern ensures a more standardized evaluation process, benefiting both students and the medical education system.
---
### **Tips for Success in NEET 2025**
1. **Stick to a Study Plan**
- Dedicate specific hours to each subject and revise regularly.
2. **Prioritize NCERT**
- A significant number of questions are directly based on NCERT textbooks.
3. **Focus on Mock Tests**
- Regular practice with updated mock tests will help you adapt to the new format and build confidence.
### **Stay Connected for Updates and Resources!**
📸 **Follow Us on Instagram:** [Physics Behind Everything]( physics_behind_everything?hl=en)
📚 **Discover One-Shot Videos and Detailed Concepts for NEET and JEE:** Check out our TH-cam channel for chapter-wise expert guidance!
---
### 🔑 **Popular Tags for NEET Preparation:**
#NEET2025 #NTANEET #NEETExamPattern #PhysicsForNEET #BiologyForNEET #ChemistryForNEET #OneShotVideos #NEETPreparation #NCERT #PhysicsBehindEverything
The National Testing Agency (NTA), the official body responsible for conducting the NEET exam, recently announced changes to the exam pattern. These modifications affect the number of questions, the time duration, and overall strategy for students preparing for this highly competitive exam.
---
### **Previous NEET Pattern: Key Features**
Under the earlier format, the NEET exam included:
- **200 Total Questions**:
- 180 compulsory questions.
- 20 optional questions (Section B).
- **Duration**: 200 minutes (3 hours 20 minutes).
- Students had the flexibility to attempt **180 out of 200 questions**, using optional questions to maximize their scores.
---
### **Updated NEET Pattern by NTA**
The NTA has now revised the NEET exam pattern with the following changes:
- **Total Questions**: Reduced to **180**, with all questions being **compulsory**.
- **Time Duration**: Reduced to **180 minutes** (3 hours).
- **Flexibility**: The option to skip 20 questions is no longer available, requiring students to answer every question.
---
### **Key Differences Between Old and New NEET Patterns**
| Aspect | Previous Pattern | Updated Pattern |
|----------------------------|-----------------------------------------|---------------------------------------|
| **Number of Questions** | 200 (180 + 20 optional) | 180 (all compulsory) |
| **Time Duration** | 200 minutes | 180 minutes |
| **Flexibility** | Allowed skipping 20 questions | No flexibility; all questions must be answered |
| **Time per Question** | ~1 minute per question | ~1 minute per question |
| **Difficulty Level** | Slightly balanced due to options | Higher, as all questions are mandatory |
---
### **Impact of Changes on Aspirants**
1. **No Flexibility in Question Selection**
- Earlier, students could skip difficult questions, focusing on areas of strength.
- With all questions compulsory, aspirants must now prepare every topic thoroughly to ensure success.
2. **Reduced Time, Higher Pressure**
- The reduction in exam duration from 200 minutes to 180 minutes means students have less time to think and solve questions.
- Efficient time management and practice are more critical than ever.
3. **Comprehensive Preparation Is Essential**
- Without optional questions, aspirants must ensure mastery over the entire syllabus, leaving no room for selective study.
4. **Level Playing Field**
- The NTA’s updated format ensures all candidates face the same set of questions, promoting uniformity in assessment.
---
### **How to Adapt to the New NEET Pattern?**
1. **Master Time Management**
- Develop the ability to solve questions quickly and accurately within the given timeframe.
2. **Complete Syllabus Coverage**
- Focus on every topic in Physics, Chemistry, and Biology, as no area can be skipped under the new format.
3. **Regular Practice with Updated Mock Tests**
- Attempt mock tests designed with the revised pattern to build confidence and improve problem-solving speed.
4. **Strengthen Weak Areas**
- Identify and work on weaker sections to ensure comprehensive preparation.
5. **Stay Updated with NTA Guidelines**
- Regularly check updates from the NTA to stay informed about the latest exam notifications.
### **Role of NTA in NEET Conduct**
The NTA, known for its systematic and transparent approach, has made these changes to enhance the exam’s efficiency and fairness. The revised pattern ensures a more standardized evaluation process, benefiting both students and the medical education system.
---
### **Tips for Success in NEET 2025**
1. **Stick to a Study Plan**
- Dedicate specific hours to each subject and revise regularly.
2. **Prioritize NCERT**
- A significant number of questions are directly based on NCERT textbooks.
3. **Focus on Mock Tests**
- Regular practice with updated mock tests will help you adapt to the new format and build confidence.
### **Stay Connected for Updates and Resources!**
📸 **Follow Us on Instagram:** [Physics Behind Everything]( physics_behind_everything?hl=en)
📚 **Discover One-Shot Videos and Detailed Concepts for NEET and JEE:** Check out our TH-cam channel for chapter-wise expert guidance!
---
### 🔑 **Popular Tags for NEET Preparation:**
#NEET2025 #NTANEET #NEETExamPattern #PhysicsForNEET #BiologyForNEET #ChemistryForNEET #OneShotVideos #NEETPreparation #NCERT #PhysicsBehindEverything
มุมมอง: 93
วีดีโอ
An electron of a hydrogen like atom, having Z = 4, jumps from 4th energy state to 2nd energy state.
มุมมอง 1816 ชั่วโมงที่ผ่านมา
An electron of a hydrogen like atom, having Z = 4, jumps from 4th energy state to 2nd energy state. The energy released in this process, will be (Given Rhc = 13.6 eV) Where, R = Rydberg constant, c = speed of light in air, h = Planck’s constant [JEE] (a) 40.8 eV (b) 3.4 eV (c) 10.5 eV (d) 13.6 eV 🌟 TH-cam Description for the Problem 🌟 🔍 Energy Released in Electron Transition | JEE Physics 🔍 Wel...
When a hydrogen atom is bombarded, the atom is excited to the 4 = n state. The energy released when
มุมมอง 1216 ชั่วโมงที่ผ่านมา
When a hydrogen atom is bombarded, the atom is excited to the 4 = n state. The energy released when the atom goes from 4 = n state to the ground state is (a) 1.275 eV (b) 12.75 eV (c) 5 eV (d) 8 eV 🌟 TH-cam Description for the Problem 🌟 🔍 Energy Released in Hydrogen Atom Transition | Physics Explained 🔍 Welcome to Physics Behind Everything , where we simplify advanced physics concepts for JEE a...
The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy
มุมมอง 1116 ชั่วโมงที่ผ่านมา
The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy required to remove an electron from Helium atom. The total energy required to ionize the Helium atom completely is (a) 34 eV (b) 79 eV (c) 20 eV (d) 109 eV 🌟 TH-cam Description for the Problem 🌟 🔍 Energy Required to Ionize Helium Atom | Detailed Explanation 🔍 Welcome to Physics Behind Everything...
When a hydrogen is excited from ground state to first excited state, then (a) its kinetic energy in
มุมมอง 1816 ชั่วโมงที่ผ่านมา
When a hydrogen is excited from ground state to first excited state, then (a) its kinetic energy increase by 10.2 eV (b) its kinetic energy decreases by 13.6 eV (c) its potential energy increases by 10.2 eV (d) It angular momentum increase by h/2π 🌟 Hydrogen Atom: Ground to First Excited State Transition | Explained 🌟 Welcome back to Physics Behind Everything , where we simplify complex physics...
The energy of He+ ion in its first excited state is (The ground state energy of the hydrogen atom is
มุมมอง 2216 ชั่วโมงที่ผ่านมา
The energy of He ion in its first excited state is, (The ground state energy of the hydrogen atom is -13.6 eV) [JEE] (a) -27.2 eV (b) -13.6 eV (c) -54.4 eV (d) -3.4 eV 🔬 Energy of He⁺ Ion in Its First Excited State | JEE Physics Explained ⚛️ Welcome to a deep dive into atomic physics , where we explore the fascinating energy levels of hydrogen-like ions such as He⁺ . This video simplifies the c...
Let T1 and T2 be the energy of an electron in the first and second excited states of hydrogen atom
มุมมอง 4416 ชั่วโมงที่ผ่านมา
Let T1 and T2 be the energy of an electron in the first and second excited states of hydrogen atom, respectively. According to the Bohr’s model of an atom, the ratio T1 : T2 is: [NEET] (a) 4 : 1 (b) 4 : 9 (c) 9 : 4 (d) 1 : 4 🔬 Understanding the Ratio of Electron Energies in Excited States | NEET Physics ⚛️ Dive into this intriguing question from atomic physics , which highlights the relationshi...
The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energie
มุมมอง 6016 ชั่วโมงที่ผ่านมา
The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively: [NEET] (a) -3.4 eV, -3.4 eV (b) -3.4 eV, -6.8 eV (c) 3.4 eV, -6.8 eV (d) 3.4 eV, 3.4 eV 🔬 Understanding the Energy of an Electron in an Atom | NEET Physics ⚛️ In this video, we will discuss a very important concept from atomic physics related to the energy states of electrons...
In Bohr’s atomic model of hydrogen let K, P and E are the kinetic energy, potential energy and total
มุมมอง 6716 ชั่วโมงที่ผ่านมา
In Bohr’s atomic model of hydrogen, let K, P and E are the kinetic energy, potential energy and total energy of the electron respectively. Choose the correct option when the electron undergoes transitions to a higher level. [JEE] (a) All K, P and E increase. (b) K decrease, P and E increase. (c) P decreases, K and E increase. (d) K increases, P and E decrease. 🌟 Analyzing Energy Changes in Bohr...
As an electron makes a transition from an excited state to the ground state of a hydrogen-like atom
มุมมอง 13916 ชั่วโมงที่ผ่านมา
As an electron makes a transition from an excited state to the ground state of a hydrogen-like atom/ion [JEE] (a) It’s kinetic energy increases, but potential energy and total energy decreases. (b) Kinetic energy, potential energy and total energy decrease. (c) Kinetic energy decreases, potential energy increases but total energy remains same. (d) Kinetic energy and total energy decreases, but ...
The kinetic energy of the electron in an orbit of radius r in hydrogen atom is e = electronic charge
มุมมอง 1816 ชั่วโมงที่ผ่านมา
The kinetic energy of the electron in an orbit of radius r in hydrogen atom is (e = electronic charge) (a) (1/4πε0)e^2/r^2 (b) (1/8πε0)e^2/r^2 (c) (1/4πε0)e^2/r (d) (1/8πε0)e^2/r 🌟 Understanding the Kinetic Energy of an Electron in Hydrogen Atom's Orbit 🌟 The kinetic energy of an electron in a hydrogen atom is one of the most fascinating concepts in atomic physics. Understanding it requires del...
Oscillations One Shot Physics 2025 | SHM One Shot | Simple Harmonic Motion Class 11th Physics NCERT
มุมมอง 18619 ชั่วโมงที่ผ่านมา
🎯 Master SHM in One Shot | Complete Oscillations Chapter for NEET & JEE Aspirants 🎯 Welcome to your ultimate one-shot revision of Simple Harmonic Motion (SHM) ! In this comprehensive session, we’ll cover all the crucial topics, formulas, graphs, and PYQs (previous year questions) related to SHM. Designed for both NEET 2025 and JEE Mains 2025 , this video ensures you grasp the entire oscillation...
The magnetic field at the Centre of hydrogen atom due to the motion of the electron in the first Boh
มุมมอง 2921 ชั่วโมงที่ผ่านมา
The magnetic field at the Centre of hydrogen atom due to the motion of the electron in the first Bohr orbit is B. The magnetic field at the Centre due to motion of the electron in 2nd orbit is (a) B/4 (b) B/8 (c) B/32 (d) B/64 🔬 Magnetic Field at the Center of Hydrogen Atom | JEE Physics ⚛️ In this video, we will solve a JEE Physics problem that focuses on the magnetic field at the center of a ...
Magnetic field at the Centre (at nucleus) of the hydrogen-like atoms (atomic number = Z) due to the
มุมมอง 1821 ชั่วโมงที่ผ่านมา
Magnetic field at the Centre (at nucleus) of the hydrogen-like atoms (atomic number = Z) due to the motion of electron in nth orbit is proportional to (a) n^3/Z^5 (b) n^4/Z (c) Z^2/n^3 (d) Z^3/n^5 🔬 Magnetic Field at the Center of Hydrogen-Like Atoms | JEE Physics ⚛️ In this video, we’ll explore a JEE Physics problem related to the magnetic field at the center (nucleus) of hydrogen-like atoms d...
Magnetic moment due to the motion of the electron in nth energy of hydrogen atom is proportional to
มุมมอง 1721 ชั่วโมงที่ผ่านมา
Magnetic moment due to the motion of the electron in nth energy of hydrogen atom is proportional to
An electron in a hydrogen atom makes a transition from first excited state to ground state. The equi
มุมมอง 2021 ชั่วโมงที่ผ่านมา
An electron in a hydrogen atom makes a transition from first excited state to ground state. The equi
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 x 10^-
มุมมอง 1421 ชั่วโมงที่ผ่านมา
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 x 10^-
The electron in a hydrogen atom makes transition from M shell to L. The ratio of magnitudes of initi
มุมมอง 2821 ชั่วโมงที่ผ่านมา
The electron in a hydrogen atom makes transition from M shell to L. The ratio of magnitudes of initi
The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom
มุมมอง 2521 ชั่วโมงที่ผ่านมา
The ratio between total acceleration of the electron in singly ionized helium atom and hydrogen atom
If de-Broglie wavelength of an electron in the nth Bohr orbit is λn and the angular momentum is Ln
มุมมอง 921 ชั่วโมงที่ผ่านมา
If de-Broglie wavelength of an electron in the nth Bohr orbit is λn and the angular momentum is Ln
Consider an electron in a hydrogen atom, revolving in its second excited state (having radius 4.65 Å
มุมมอง 2621 ชั่วโมงที่ผ่านมา
Consider an electron in a hydrogen atom, revolving in its second excited state (having radius 4.65 Å
Difference between nth and ( n+1)th Bohr’s radius of H atom is equal to its (n-1)th Bohr’s radius. T
มุมมอง 4121 ชั่วโมงที่ผ่านมา
Difference between nth and ( n 1)th Bohr’s radius of H atom is equal to its (n-1)th Bohr’s radius. T
Let R1 be the radius of the second stationary and R2 be the radius of the fourth stationary orbit of
มุมมอง 4721 ชั่วโมงที่ผ่านมา
Let R1 be the radius of the second stationary and R2 be the radius of the fourth stationary orbit of
How to Get Your Apaar ID | How to Make APAAR id in 5 mins | Step by Step Process | NEET 2025 | NTA
มุมมอง 305วันที่ผ่านมา
How to Get Your Apaar ID | How to Make APAAR id in 5 mins | Step by Step Process | NEET 2025 | NTA
The radius of inner most orbit of hydrogen atom is 5.3 x 10^-11 m. What is the radius of third allow
มุมมอง 45วันที่ผ่านมา
The radius of inner most orbit of hydrogen atom is 5.3 x 10^-11 m. What is the radius of third allow
If potential energy between a proton and an electron is given by U = ke^2/2R^3 where e is the charge
มุมมอง 32วันที่ผ่านมา
If potential energy between a proton and an electron is given by U = ke^2/2R^3 where e is the charge
A small particle of mass m moves in such a way that its potential energy U = 1/2(mω^2r^2) where ω is
มุมมอง 28วันที่ผ่านมา
A small particle of mass m moves in such a way that its potential energy U = 1/2(mω^2r^2) where ω is
In a hypothetical system, a particle of mass m and charge -3q is moving around a very heavy particle
มุมมอง 38วันที่ผ่านมา
In a hypothetical system, a particle of mass m and charge -3q is moving around a very heavy particle
Consider 3rd orbit of He+ (Helium) using nonrelativistic approach, the speed of electron in this orb
มุมมอง 25วันที่ผ่านมา
Consider 3rd orbit of He (Helium) using nonrelativistic approach, the speed of electron in this orb
The ratio for the speed of the electron in the 3rd orbit of He+ to the speed of the electron in the
มุมมอง 18วันที่ผ่านมา
The ratio for the speed of the electron in the 3rd orbit of He to the speed of the electron in the
I saw many videos for this question but this is the best explanation
Glad it helped!
Sir but question mein toh bass bullet ki heating ki baat Hui thi na toh hame bas 40/100. 1/2 mv²=mS∆T Lena chaiye tha na kyuki question mei toh heating ki baat aur usme 40 percent K.E ka loss hua hai .please reply
Ekdam sahi bat hai but bola gaya hai ki bullet melt ho jata hai isaka matlab ki pahle temperature badha hoga to ms delta T and then melting hua hoga isliye mL bhi laga hai...
@@PhysicsBehindEverything Thanks sir 🙏🏻🙏🏻, understood
🫡🫡
Sir aapna one shot video lectures suru kariye
Sure
@PhysicsBehindEverything kab se date
Thanks
Thank you sir
So nice of you
Sir voice problem.... after earphone
Next time isako perfect Kar lenge... Sorry for inconvenience....
Thankyou sir very well explained.
Most welcome
Thanks sir
Keep watching
Sir jab Zeener Diode extra resistance apne through pass karega to uska resistance badh jaaega?
Extra current pass karega to aur ha badh jayega usaka resistance
@PhysicsBehindEverything Jab yahi प्रश्न aapne mere se puchha tha tab maine bhi yahi उत्तर diya tha sir
Which newton's law ?
Newton's law of cooling
Sir apka naam shubhendra hai ?
Yes..
❤❤
😂
Sir Thermo-D ke temperature graph waale questions
Okkk
Send me some problems
@@PhysicsBehindEverything Abhi kar sakte h?
Yes
Blunder hoo gya 😢 mein 80 cm dediya tha
Ab to ban gaya nnn??
@@PhysicsBehindEverything yes sir ☺️☺️
Sir omega yahan angular velocity or angular frequency dono kese ho sakta h
Jab angular acceleration zero ho to aisa ho sakata hai...
Sir please make one shot for calorimetry ktg and thermal expansion and com too
I will do it....
Only thermodynamics and ktg First
Sir Quasi Aromatic ka bhi aaega?
Is channel par hmm log chemistry nahi padhate hai....
@@PhysicsBehindEverything Oh sorry sir wo Chemistry - Physics mix ho gayi😁 I was asking Quasi-static process in Thermo-D se question aaenge?
@@PhysicsBehindEverything But sir ye Atom chapter to Chemistry mein bhi h to padhaya na aapne Chemistry?
🙃🙂
Sir it's "Pendulum"
Okay my mistake...
Make more such videos
Well explained sir
Keep watching
😂😂😂😂
Maine dekh liya security pin😁🤣
Sharp eyes..😎😎
Thanku sir ❤❤ For information
Keep watching
🎉🎉
❤
Jai Hind Sir... 🫡
50% sahi huye Sir aaj 😃
Keep learning..
Very nice explanation sir 🤍😊
Keep it up 👍
Copy ka question
Yes...
Help ful sir 🎉🎉
Thanks for watching 🎉🎉
2/5 sir
What about "(deltaQ) = nC(T2 -T1)"?
Both are same... It is also correct...
But kidhar kaunsa apply karna h?
@Anushubs jab n and gas ki bat kare tab nC(T2-T1) and jab m de tab ms(T2-T1) use karenge....
@@jarvis7994 Ok, Thank you🙏🏻
Sir class 11 ke 3 bnn gaye 😃
1/5
4\5
Keep it up
Sir According to Thumbs-up ye __ mange more Aahaa 😃😃
Sir maine 2 sahi kiye 😅
Keep it up...
thankyou sir
More..
Jarur
Kitane log hai jinaka ek bhi sahi nahihai.....
😆😆
3/5
My score is 5/5
Sir abhi sunayi de rha hai aur dihre bolo😂😂
Mic me problem ho gaya tha...
@@PhysicsBehindEverything ok sir sorry for teasing you but i understood it very well thanks
Thank you sir ji ❤
Thank you sir
Welcome
❤
Sir delta T = 500 kyun liya hume kese pata final temperature of copper will be 0 celcius
Kyunki copper block ice ke large block par rakha hai tab tak heat transfer hota rahega jab tak ki copper block ka temperature bhi zero nnn ho jaye...
Boards? 0:50