Sir may be its happen in photoelectric effect ki ek samay aisa bhi ayega ki material me se sare electrons khatam ho jayenge and it will decay. Then why it doesnt happen?
sir is there lecture about frame of reference,inertial frame of reference ,non-inertial frame of refernce ,einstien theory of relativity and galelian transformationsthanks
sir when we apply negative potential then you have said every electron is left with different energies and current becomes zero when we apply max negative potential but then electrons which do not have max energy then they should move in opposite direction .... but why they are not doing so???
+Pradeep Kshetrapal sir i had conflict of theory because einstein photoelectric effect demonstrated on x ray not visible light they why we are going through text books whivh are i hope totally wrong no light have power to emit electrons from metals.... i want your ideas about it...
Remember whenever negative potential is increasing then velocity of electron is decreasing because of opposite force on it .its mean that the time is increasing and time is increasing then current is decreasing
sir i wantd to ask u .... sir wen electrons r ejectd frm a metal..... if frequency f d light cuming is more thn wat is needed by a electron ... that is minimum work function....sir suppose it comes out n gts velocity 2m/s ... thn wil move wid 2m/s sir is this energy will becum 0 ever???
sir ...you are adorable...!!😊...this is the first video of yours which I have seen..n...for this I m very glad to you...now on wards i shall be watching your videos only for physics...!!! thank you sir..😊
sir,why k.E of electorns are diffrent.....you said that electrons inside the conductor spend their energy to come on surface....but in electrostatics we studied that all electrons are distributed on surface because of repulsion
sir the current always flows from negative plate to +ve plate inside the voltage source and from +ve plate to negative plate outside in the circuit.Then in this case how is the direction opposite??
MEANS SIR ANODE PROVIDES POSITIVE ENERGY TO THE ELECTRONS HAVING POSITIVE ENERGY THEN HOW THEY CANCEL EACH OTHER PLSS SIR HELP ME IN CLEARING MY DOUBT THANKYOU SIR
Sir how can I find plank constant if light of 3000nm & 4000nm respectively is incident on sodium cathode and for both stopping potentials are 1.85&0.82 respectively
sir plz. help me in solving this question....when a metal is irradiated by monochromatic light kmax. =1.2ev .frequency is inc. 50% then kmax. =3.6 ev ..find workfunction..sir plz. help
Sir please help me to solve this numerical If 5% energy of a monochromatic light source is converted into light of wavelength 5000nm.if the power of source is 100 they how many photon of light will be emmited by it per sec.
sir there is a numerical a biconvex thick lens is constructed with glass. each of surface has a rad of 10 cm and the thickness of the middle is 5cm. locate the image of an obj placed far away from the lens [meu for glass is 1.5] ans is 9.1cm from the farther surface on the other side of the lens.
Sir! You are the best physics teacher!! :)
muskan mishra wat u r saying
muskan mishra i wil teach u ok
muskan mishra free tution
sir ap mind-blowing pdhate h...seriously I m a great fan of URS..itna clear concept..thank u sir
awesome explanation very very useful
Amazing sir ji
Sir may be its happen in photoelectric effect ki ek samay aisa bhi ayega ki material me se sare electrons khatam ho jayenge and it will decay. Then why it doesnt happen?
Kin logone unlike kiya 😑😑. .Sir boht accha parhati he. ..
App asa nahi kah sakta Kyu ki kiska dimagh kasa hotaha toh eslia kiss samjh ataha aur kisa nahi
On u tube u r the best teacher for physics ❤💜💓💗👍💟
sir why diffrent current is made at 0 v for diff frequency when intenssity remains same
Sir are really wanted to know is pradeep your own publication book ?
Awesome sir your teaching skills and experience is too good thank you sir
Sir Great job 👌
Really thank you.. It helps me more
sir it means current still flow in the 0 volt or when the PD is 0 is it??
Sir really thanks for this vidieo ...
SIr what is meant by the rest mass of the particle denoted my m knot
?????
sir after the emission of electrons by photon, the metal becomes positive charge. so why will not that metal attract any negative charge ??
Every time sir u are breaking your own record in teaching🖤🖤🖤respect
Sir why stopping potential directly relate with frequency
sir is there lecture about frame of reference,inertial frame of reference ,non-inertial frame of refernce ,einstien theory of relativity and galelian transformationsthanks
U R THE best teacher sir,ur explanations r really wonderful. I need no tuitions.
n wen its velocity is going to be 0...??
will it ever stop.. or keeps on moving
?
sir when we apply negative potential then you have said every electron is left with different energies and current becomes zero when we apply max negative potential but then electrons which do not have max energy then they should move in opposite direction .... but why they are not doing so???
+Pradeep Kshetrapal sir i had conflict of theory because einstein photoelectric effect demonstrated on x ray not visible light they why we are going through text books whivh are i hope totally wrong no light have power to emit electrons from metals.... i want your ideas about it...
Remember whenever negative potential is increasing then velocity of electron is decreasing because of opposite force on it .its mean that the time is increasing and time is increasing then current is decreasing
sir i wantd to ask u .... sir wen electrons r ejectd frm a metal..... if frequency f d light cuming is more thn wat is needed by a electron ... that is minimum work function....sir suppose it comes out n gts velocity 2m/s ... thn wil move wid 2m/s sir is this energy will becum 0 ever???
sir ...you are adorable...!!😊...this is the first video of yours which I have seen..n...for this I m very glad to you...now on wards i shall be watching your videos only for physics...!!! thank you sir..😊
sir whch cet book should i refer to crack the cet? 4 physics subject?
sir ap kuch notes ni dete h kya.... I mean language
realy good, Thankyou so much.
sir,why k.E of electorns are diffrent.....you said that electrons inside the conductor spend their energy to come on surface....but in electrostatics we studied that all electrons are distributed on surface because of repulsion
Excellent lecture by excellent teacher.
Sir, why current increases first and then saturates for fixed intensity as we increase the anode positive potential.
Didi
sir mjhe mechanic ka bare ma apka koi lecture nahi mil raha plz help me
All the electrons of same radation have different energy why?
sir its k........
my exam is in feb...
thanx sir 4 consdring my commnt..
and 4 uploding such nice videos...
it helps us alot......
why is there is 2 video of 1 topic?
Why this hole is provided.?? Then how it can be Evacuated tube?
can you explain how current is more in green then yellow at zero potential plzzz
why doesnt the current increase indefinetely with voltage
In video tell about whose board
Maharashtra 'CBSE icse
sir is their any teacher of chemistry like you?
sir the current always flows from negative plate to +ve plate inside the voltage source and from +ve plate to negative plate outside in the circuit.Then in this case how is the direction opposite??
U r right sir work function is same for all e of a metal
MEANS SIR ANODE PROVIDES POSITIVE ENERGY TO THE ELECTRONS HAVING POSITIVE ENERGY THEN HOW THEY CANCEL EACH OTHER PLSS SIR HELP ME IN CLEARING MY DOUBT THANKYOU SIR
Thanks sir . Very nice explaination.
Why kinetic energy is eV
Sir in this emitter or collector which one anode and cathode:-)
Krati Tak emitter plate = cathode
collector plate = anode(+ve)
no it depends on cell...here emmiter is anode ...collecter cathode....positive negative depends on p.d we apply
In this emitter or collector which one is anode:-)
Collector
Sir you are too good keep it up sir
Sir how can I find plank constant if light of 3000nm & 4000nm respectively is incident on sodium cathode and for both stopping potentials are 1.85&0.82 respectively
Sir physics ki kuch video choti bnao or kuch hindi m
extremely helpful....thanku sir...God bless u..:)
the vedio is full of disturbance
that's y I was unable to listen properly
so plz look after that when making another vedio
sir plz. help me in solving this question....when a metal is irradiated by monochromatic light kmax. =1.2ev .frequency is inc. 50% then kmax. =3.6 ev ..find workfunction..sir plz. help
SAB PADHE SAB BADHE
gud lecture....
SIR I FIND UR LECTURE MORE INTRESTING ,AND IT HELPS ME A LOT AS I M NOT GOING TO ANY CLASSES...I M TENSED ABOUT THE BARD EXAM PLZ.HELP...
it is not in all case that anode negative and cathode is positive it changes on type of cell...
Bharat Gadhavi 👏🏻
Sir please help me to solve this numerical
If 5% energy of a monochromatic light source is converted into light of wavelength 5000nm.if the power of source is 100 they how many photon of light will be emmited by it per sec.
Thank u sir
👍👍👍👍
sir there is a numerical
a biconvex thick lens is constructed with glass. each of surface has a rad of 10 cm and the thickness of the middle is 5cm. locate the image of an obj placed far away from the lens
[meu for glass is 1.5]
ans is 9.1cm from the farther surface on the other side of the lens.
So nice sir...
Good explanation sir
best teacher
Very interesting sir
Thank-you so much sir
Thanks a lot sir!
I think work functions is different so wny k e is different
You r right sir work function is same for all e of a metal
sir thankyou so much for clearing my doubt
Nice
😍
thanks for the reply sir
Ok thanks
thanks sir
my goodness
Say in english sir.... Pls
bahut complicated kar diya sir aapne
Sir in this emitter or collector which one anode and cathode:-)
In this emitter or collector which one is anode:-)
All the electrons of same radation have different energy why?
Thank-you so much sir