RAY Optics Revision | Chapter 9 Class12 Physics Oneshot | Ray Optics Oneshot rev |Optical Instrument
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May every one get 60+ marks in physics and 90+% in boards 🙏🏻🙏🏻🙏🏻🙏🏻🙏🏻
Yeah same for uhh also.....🙌🙏
Why not 70 ??
May god bless with maximum marks to all 😊
Thanks man but merko kuch nhi ata
@@inzaghigaming6859 yess 🤞🏻🤞🏻
Thanks buddy ❤😊
8:28 mirror formula
20:03 relation btw critical angle and refractive index
23:15 lens formula derivation
30:17 lens maker formula
39:19 refractive index for prism derivation
Bhot shi h bhai
0:00: ⚡ Efficiently prepare for exams by following previous year question series and practicing sample papers for improved performance.
3:30: ⚪ Principles of refraction and reflection in optics, including Snell's Law and types of mirrors.
7:13: ⚙️ Understanding the concept of inverted images formed by virtual erect images between poles and focus of a concave mirror.
12:22: ⚛️ Understanding image size and orientation in optics with magnification values explained.
15:57: ⚛️ Understanding Apparent Depth in Optics and its Formulas
19:20: ⚙️ Understanding the structure and working of optical fibers in relation to critical angle and refractive index.
23:30: ⚙️ Understanding the principles of image formation in optics through diagrams and lens properties.
27:33: 🔍 Explanation of angles and values in ray optics calculations.
32:13: 🔍 Analysis of image and object distances in optics equations.
36:09: 🔍 Understanding the concept of Power of Lens and its relation to bending light in optics.
39:34: 🔍 Relationship between exterior and interior angles of a triangle is explored through equations and calculations.
Like if it helps😊
saale AI se kaam krayega to yhi hoga. glt timestamps hai.
or konsi 12th me terko triangle k exterior angles sikha rhe 😑😑
+1.5=errect,magnified to 1.5
-1.5=inverted magnified to 1.5
Don't worry guys sab ka paper acha jayega ❤
Hope ❤️
Kaisa Gaya
Tq..
13:03 +1.5 = Erect and 1.5 times the size
-1.5 = Inverted and 1.5 times the size
or it can be magnified for 1.5 and diminished for -1.5
May you all get your desired marks in all subjects ❤🤝
Thanks bro ❤️
Let's see😓😓
@@lovelovesBTSchup bys ke 14e
All the best sbko kal physics exam ke liye 👏👍
like and reply if u have not completed yet
😭😭
😢
Like begger💀💀SALA
🥲
😢
Om namah parvati pataye Hara hara mahadev... 🔱📿
Everyone using these videos for revision but im doing this for covering syllabus just a night before exam
Same bro
Bhai me bhi
Sameee
Us bro 😂
*CBSE BOARD EXAM 4th March ...Students Unite here !!* 🔥👇
@@Mona-m3r Given vro...it was amazing
😂
Hii 😅
Hi@@nidhihooda9682
😂
+1.5 = errect and magnified
-1.5 = inverted and magnified
❤
Yes
13:04 For m=+1.5 Image is erect and 1.5 times larger than the object
m=-1.5 Image formed is inverted and 1.5 times smaller than the object.
Legends give your attendance 🫂
Nah I'd Study.
@@superstriker8090 english se pta chal rha..
Parso physics ka exam ha 12 ka
Mene sirf 5 topics kiye abhi
Ab geda Dena padega nahi toh paper mein wicket udd Jaayegi😂
@@santoshkumari7067 physical education liya h aapne
@@Gamingzone03638 haan . Kyunki voh computer se easy hota hai
Vese asal mein mene +1 mein jb school change Kiya tha ,mene computer rakha tha ,aur jb class lagane vali thi toh mene classmate se pucha ab Kahan ja rahe sb aur unhone bola physical education ki class lagane ,aur meine bola chalo phir 😂 pagal hi hoon mein
Unit test bhi de diye boht baar aur last mein jaake pata chala ki mera toh computer tha 😂
Mene change ni kiya tbhi bhi aur mera physical education hi hai abhi bhi , lengthy hota hai paper aur mein class mein sabse slowy hoon itna dheer -dheere likhne ki aadat hai
Vese abhi chutha koi paper ni ho gaya time se ,aur adha time toh dusro ko batane mein chala gaya
Meko toh teacher ne dekh bhi liya tha batate hue ,unhone bola yeh class ni hai jo tum group discussion kar rahe ho 😂
Batao ab mai dekh rha hu 😅
Same
How many see this video for 4 march 2024 😂... physics board 😂
Yess 😂
😂
😂😂😂😂
Me
Mee too 😂
Bhai kl exam hai or uske ek din pehle kon kon padh raha hai attendance lagdo marii jaan 😅❤😂
Mai waise tumne derivation kar liye kya
@@Satyam__93 hn derivation pura hogya hai 30.most imp derivation sa
@@Durgadimar..... Bata do yrr koi short length ki video ho to
bata do koi channel
@@sarvjeetsingh6281 inke he channel sa padho yah best padhte hai sachma
Introduction to Ray Optics (00:00)
The video provides a quick revision of ray optics, covering key concepts and derivations for exam preparation.
Importance of Previous Year Questions (00:31)
Emphasizes the need to practice previous year questions to understand CBSE exam patterns and improve scores.
Concept of Reflection (01:28)
Defines reflection as the bouncing back of light upon striking a surface, introducing the laws of reflection.
Laws of Reflection (01:55)
The first law states that the angle of incidence equals the angle of reflection; the second law states that incident, reflected rays, and the normal lie in the same plane.
Introduction to Refraction (02:57)
Refraction is the bending of light when it passes from one medium to another, with two key laws governing the process.
Boosting confidence at last moment😂 💪
We can do it guyss ❤
13:08 +1.5 - erect and 2/3 time large
-1.5 - inverted and same as above
Like if you want to pass
Ab ho jaayenge ?
😂
😂
M=+1.5 means
+ Indicates The image is erect
And 1.5 times magnified than normal object
M=-1.5 means
- indicates the image is inverted
And 1.5 times magnified than normal object ❤
1.5 times magnified than normal OBJECT not image
Short revision ko bhi 2x pe dekhrha hu😂
Examination centre pahuchne se pehle bhul bhi jaana aapne 😂itni speed mein agr dekhoge
1.75x mein chalo thik bhi hai
Thank you sir , Paper ke 2 din Pehle bade Kaam mein aate hai yeh short revision lectures !
Are these concepts for class 12 th or is it just basics?
Will it help in 12th boards?
Watching this video 1 hour before the exam.
Are these concepts for class 12 th or is it just basics?
Will it help in 12th boards?
04 MARCH KO 7 BJE
12 KA LAST YADGAAR LECTURE😅
Who notice time lag between voice and visuals ??
12:59 +1.5 erect magnified to 1.5
-1.5 inverted magnified to 1.5
👇 depressed button🥹
Like lene ki ninja technique....
😅😅😅😂
😂😂
like lene ka tarika thoda casual h👍🏻
bhai bhagwan aur bkl ek comment mien nahi ho sakte fake hai
@@INDIUMedits mein toh likhna sikh le bkl~
H koi jo ab dekh rha ho 😂
Me
@@saritasuthar1355mee too
Mee .@@Toxicgaming-gb4ju
Us bro us
Me now
बोल शंकर भगवान की जय ❤
बाबा ग्रुप
Jai BholeNath ji😇🙏🏻👍🏻🤞🏻💯
Kl exam hai abhi padhna shuru kiya hu 😂😂
All the best bhaiyo 👍🤝
13:06 +1.5 errect magnified 1.5 times
-1.5 inverted megnified 1.5 times
+1.5= erect and 1.5 times magnified
-1.5= inverted and 1.5 times magnified
Mirrors formula 1/f=1/u+1/v
Snells law=n1sini=n2sinr
Sini/sinr=n2/n1=v1/v2
Magnification=hi/h0
TIR=speed of light in air/vaccum / speed of light in medium m
Ex optical fibre, mirage, diamond
Lens
Concave/convex
1/f=1/v-1/u
Focal length negative, positive
Size diminished, increase
Virtual , real virtual
Study time bahut casual h 😂😂😂
😂
Bhai sabhi abhi sample paper ko maga lo order kr do ajj tu paper ha😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂❤😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂😂
😂😂😂😭😭😭🙏🏻🙏🏻🙏🏻😑😑
😂
+1.5 = errect and magnified
-1.5 = inverted and magnified
thanks for this osm session sir
😄
On march 4🥲
1:18 lecture starts
13:1 +1.5 = erect and large/magnified
13:1 -1.5= inverted and diminished
Jai shree ram
Boy only like ❤
Girl only comment 😂
😂😂
What about 🏳️🌈 ?
😂😂
M = +1.5 image : Erect and magnified
M = -1.5 image : Inverted and magnified 13:13
+1.5 - erect and large
-1.5 - inverted and smaller
Iske baad wave optics and semiconductor aur karna hai😔👈
Same
Abi to 5 chapter h bhai
Wave optics utna imp nhi hai
Bhai mai to abhi dekh rha hu 😂
Mai bhi bhai 😢
Mai bhi bhai 😢
Is this video enough for boards?? Sab topic btaye h n iss video m??
Ajj sabko all the best ajj ke exam ke liye
Same to u bro
Bhai mujhe koi pass kara do 😢😢😢
@@EarningwithPiyush187 bhagwan se yhi dua hai ki app pass hone ke sath sath 40 se jyada marks lao
Kal physics ka exam h ek raat phele deakh raha hu video 2024 ,4 March
Jai mahakal ❤️
❤❤
Morning birds presenti daalo❤
present 😂( wo baat alag hai me rat ko soya hi nhi )
@@aniket-v4r 😂hota hai kabhi kabhi mere sath bhi hota hai
13:05 +1.5 erect and magnified
-1.5 inverted and magnified
Heyyy
Sirr Best!❤️...many derivations are cleared a lot of work in time
Aaj hoga maut ka khel😂😂eeeeeeeeaaaaaaaaaaaaa😈😈
Ye wohi khel hai jo humare Ghar walo ne khelne ke liye mana Kiya tha lekin humne mana nahi😂
@@meetbhanushali4902 whi to..... Bade bujurgo ne shi kaha hai ghar walon ki bat manoge to fayde mein rhoge nhi to pit pitake kayde mein rhoge🤣😂
@@SanjayKumar-sx2bw hn bhai par hum to hai dheat sunte kaha hai kisiki
@@meetbhanushali4902 sun lete to aaj khel hum khelte physics ke wo hmare sth nhi😂😂😂
@@SanjayKumar-sx2bw ye bhi baat sach hai
M= +1.5 === erect same size
M= -1.5 === inverted same size
Sir aapka mera ye baat bhut aachcha lga ki aap revision piche se start kiye the aur pyq aage wale chapters jisse humlog continuos pura book ke syllabus pe command rhega thankyou sir❤️❤️❤️❤️❤️
M=+1.5 erect. Magnified
M=-1.5 inverted magnified
Legends are preparing this chapter on morning exam day 😂
😢😢
13:06
1.5 - erect,magnified
-1.5 - inverted same image
Ajao last day walo ... 😂😂 4 march physics paper ...lets do it boyz ❤️🔥
bhai kitna hogya ? 😂
Bhai syllabus poora h derivations kri nhi questions kre h!!!
@@Kaalbhaira_va derivation bhi dekhle issi ka one shot h sahu ka
@@harshitarana1710 modern ka revision bcha h or derivation bchi h bhai 😭
@@Kaalbhaira_va same bhai 🥲
Tommarow is my exam and I watching it on 3 March aaa aaaa😅
Kon kon aaj dekh rha hai😂 exam k 1 din pehle
Me 😅
Me
Me
Mai to abhee start Kiya hu 😭
Bhai mai toh aj he dekh rha hu 😢
13:03
At M= +1.5 the image is 1.5 timse big and erect
At M = -1.5 the image is 1.5 times big and inverted
Me who just started:
Us bro
Pata nahi apan ka kya ho ga kal paper Mai
35+/70 aa jae kaash . Maze aa jae gai
12:58
+1.5 = the object is larger and erect and virtual
-1.5 = the object is larger but inverted and erect ❤
inverted and erect ek sath kaise hoskti hai.... I think you mean inverted and magnified
Kon kon tension me he
Tension mein nhi h depression mein h🥲
bhai rassi kitne ki aati hai
@@avinashshh 😥
Sab h bhai 😢😢
Pehle tension ni hoti ,ab hone lagi tension shuru , sirf 5 Topics kiye hai physics ka exam parso hai
Aur upar se abhi bhi kabhi youtube toh kabhi insta chala hua hai 😂
15:45 refraction of light
sir your lectures are helping very much... but it would be a great help if you provide the class notes in pdf too.... thanks sir❤
Really your lecture are helping for exam preparation 😊
12:58 m =+1.5 errect image
M=-1.5 inverted
Thank you so much sir for this revision series as it is very helpful for me during pre board❤❤
He prabhu hai Shri Ram, ye kaisaa chapter hai .
4 March
Time,6 A.M😢
4.5 hours left for exam😂😂😂
@@SanjayKumar-sx2bw finnally modern and semiconductor's done pass joa jaungi
+0.5 means erect and big also -0.5 means inverted and small 😊
Formulas yaad nhi hote
Numericals solve nhi hote
Derivation samajh nahi atein class dekhe bina
Theory ki toh baat bhi maat pucho !!!
And tomorrow I'm appearing for exam waow ! :)
Math/bio hai comeback ke liye
So beautiful so elegant just looking like a wow
Ek dum sahi baat 😂
5 topics hi aate hai meko aur parson physics ka exam hai
Who is watch this video for rbse bords 😃
😂
Sir I love your videos
You are literally the best teacher for boards
And i love you
@@AkashLodwal-00 padh lo!
@@AkashLodwal-00 bro ye tinder nahi hai 😂
@@bablukumar6397 mene socha sayad ho
@@Surbhi46 wo to chal hi rahi hai but enjoyment nahi rakhni chahiye
13:00 M=+1.5 (Erect and Magnified) M=-1.5 (Inverted and Magnified
Bhai question ho ja raha hai is session ke baad ..... Reply kro bhai
@@monsterking162 haaa bhai aaram se
@@dibyanshu1716 bhai Jo phle baar padh rha hai vo kr lega question
@@monsterking162 mai khud pahli baar pdh rha aur hojaa rha mre se questions
@@dibyanshu1716 thank you bhai ... Batane ke liye
Yrr sir ki detail lectures to jyada time legi, agr khuxh pdha na ho to revision lecture se kaam chl jyega kya?
Bilkul 😂
Kaam chalana hi padega aur koi option h bhi nhi mai bhi wahi kar rha hu 😅
@@Diablo_1836yhi option h
Watching this video 2 he before exam 😅
Kon kon chahta hai ki iss chapter se easy questions hi aaye
Tere ya mere chahne se paper ni aata
Lacture complete ho gaya😢😮😢😅
@@CARTiiiiiiiiiiii2 chahne se kya jata hai
Iss chapter se easy question aaye ❌
Saala,pura paper hi easy aa Jaye toh maja aa jaye ✅
Bye the way abhi sirf 5 hi topics yaad kiye mene😂
Aur abhi bhi TH-cam ,insta chala hua hai 😂
@@santoshkumari7067 neet ?jee ?
Obtain an expression for refraction at a single convex spherical surface separating the two media having refractive indices
μ
1
(rarer medium) and
μ
2
(denser medium) i.e., a relation between
u
,
v
,
μ
1
,
μ
2
and R.
Solve it
kis kis ka poora syllabus baaki hai💀
Us bhai us💀
us bhai 🥲🫂
😏pura syllabus baaki nahi hai
Pure syllabus mein se 5 topics aate hai mujhe 😌
Pr voh bhi kuch jyada khaas topics nahi hai 😄
13:12
m=+1.5 erect
m=-1.5 inverted
Any legend here in 3rd March 2024😅
Thankyou sir ❤️❤️❤️
Good for Revision.
Kaun kaun aaj nhi soega 🔥🔥 (2 chapters aur sample papers bache hai)
Tumne toh Josh hi dila diya
But kya faayda meko lagri neendu 😂
5 topics hi kiya abhi parso exam voh bhi physics ka
really, I studied this chapter for first time, and I have learnt more than half of it...
Love you and thanks you so much sir ..🙏🏻
Radhe Krishn 🛐💟
😂😂❤
@@pratyushchaudhary9389 bhai ab bhagwan hi bacha skte ha😭🛐
Kesi tyarii h sb logo ki 😢❤
Bajrangbali hi kuch kr skte h ab to bs 😂
Lol😭❤️
Best lecture aur bohot easy lgaa 😊 thankuuu sir you are 😃 👍
4 March2024 11:37 pm 🗿🗿🗿
11:40 pm 💀😭😭
Noice
11:47
11:53
11:58
Part 2 just suru kar raha hu 💀its 2:20 rn
Syllabus ab kr rha hu🥰
@@youremperor 🙂💔Bhai part 1 nhi horahi 10:30 se exam hai
@@youremperor same but aakhe bhi nhi khul rhi
ye video dekhke sone ja rhi hu. dekhi jayge
@@iprefertobeunknown💀same here but still I'm trying to not to sleep.
@@marshmellow2027😊motivation dedo
+1.5 means image is erect and 1.5 time larger and in -1.5 the image is inverted and 1.5 time smaller
Here's ncert biology, for more content of education keep scrolling our channel
Thank you
On the day
Jai Shree Ram
Watching this at 1:20am on 4march2024 still more than half of syllabus is pending 🙂
part 1 book sari padi hai
Same bhai!😭
@@m7weghh yrr fatti pdi h
Bruh same . Or usme bhi man ni lagra
Same bhaii😂
You are really life saviour sir ❤❤, you are really amazing and fabulous physics teacher, it's an art to revise a vast chapter in short time.
27 ko kiska kiska exam hai🐥
Mera
Legends are watching this today (one day before exam) 😎😅
🥲
legend nai😂 bevkoof including me😅😅 kash pehle krlia hota
@@deepanshumehra4638 right bro 👍🏻