If a light of wavelength 330 nm is incident on a metal with work function 3.55 eV, the electrons are emitted. Then the wavelength of the emitted electron is (Take h = 6.6 x 10-34 Js) ……… .
A. < 2.75 x 10-9 m
B. ≥ 2.75 x 10-9 m
C. < 2.75 x 10-12um
D. ≤ 2.75 x 10-10um
Answer:A
If a light of wavelength 330 nm is incident on a metal with work function 3.55 eV, the electrons are emitted. Then the wavelength of the emitted electron is (Take h = 6.6 x 10-34 Js) ……… .
A. < 2.75 x 10-9 m B. ≥ 2.75 x 10-9 m C. < 2.75 x 10-12um D. ≤ 2.75 x 10-10um