The threshold frequency for a certain photosensitive metal is 
. When it is illuminated by light of frequency 
, the maximum velocity of photoelectrons is 
. What will be the maximum velocity of the photoelectrons when the same metal is illuminated by light of frequency 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
According to Einstein's photoelectric equation,
Initially, 
…… (i)
Then, when, 
[from Eq. (i)]
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