A) 40 W blue lamp
B) 40 W green lamp
C) 100 W red lamp
D) 100 W yellow lamp
E) 1000 W green lamp
Correct Answer: A
Solution :
The wavelength of blue light is\[4800{\AA},\]so material will emit photoelectrons when it is illuminated with light from a 40 W blue lamp.You need to login to perform this action.
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