Consider the following statements regarding the photoelectric effect experiment :
(I) Photoelectrons are emitted as soon as the metal is exposed to light
(II) There is a minimum frequency below which no photo-current is observed
(III)The stopping potential is proportional to the frequency of light
(IV)The photo-current varies linearly with the intensity of the light
Which of the above statements indicate that light consists of quanta (photons) with energy proportional to frequency ?

Question

Examsnet · Accepted Answer

Correct Answer is : I, II and III only

KVPY SX SB Exam 19-Nov-2017 Question Paper