When yellow light is incident on a surface no electrons are emitted while green light can emit. ff red light is incident on the surface then

When yellow light is incident on a surface no electrons are emitted while green light can emit. ff red light is incident on the surface then

A
no electrons are emitted
B
photons are emitted
C
electrons of higher energy are emitted
D
electrons of lower energy are emitted

Solution:

we know that $λ_{r} > λ_{y} > λ_{g}$
The wavelength of red light is greater than threshold wavelength and hence no elections are emitted

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