Question

3. Light of wavelength 500 nm is incident on a metal
with work function 2.28 eV. The de Broglie
wavelength of the emitted electron is
[Re-AIPMT-2015]
(1) 5 2.8x10-12 m
(2) < 2.8x10-10 m
(4) > 2.8x10-9 m
(3) < 2.8x10-9 m
​

Answer 1

Answer:

the answer is 1