Dual Nature Of Light Question 246
Question: The number of photo-electrons emitted per second from a metal surface increases when [EAMCET (Med.) 1995; CBSE PMT 1993; MP PMT 1994, 2002; MH CET 1999; KCET 2003]
Options:
A) The energy of incident photons increases
B) The frequency of incident light increases
C) The wavelength of the incident light increases
D) The intensity of the incident light increases
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Answer:
Correct Answer: D
Solution:
Intensity ยต (No. of photons) ยต (No. of photoelectrons)