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Plez explain this graph with blackbody and plank`s quantum theory

Plez explain this graph with blackbody and plank`s quantum theory

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Grade:11

1 Answers

Umakant biswal
5349 Points
7 years ago
@ SAKSHI 
WHat u need to understand is that as far as planks quantum theory is concerned , it tells that if an light of suitable frequency and wavelength are incident in a metal plate , then it will emit the electrons due to absorption of quanta , in which quanta refers to the energy packets . 
and ACC TO HIM its deviated by some charecter like intensity , wavelength , frequency , of incident light . 
acc to your graph , if the intensity will be increased then it will obviously increase the wavelength at certain time T2 . 
if intensity will be increased then more no of photon particle will enter inside the metal and collide with the existing electrons in the metal . 
and once its collision per second will be increased then more no of electrons will coming out . 
that will increase the wavelength obviously . 
and if u are concerned with blackbody radiation , then its a radiation which will be emitted by an opeque object , and acc to this graph ,
consider the metal to be an opeque object and once light of suitable frequency incident in it , it will start producing radiation , and if intensity will be increased then the radiation will be increased . 
and acc to the rule , radiation is directly proportional to wavelength . 
so, wavelegth will be increased once radiation increased , 
HOPE IT CLEARS YOUR DOUBT 
IF ANY MORE , THEN LET ME KNOW .. 
ALL THE BEST ..
 

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