When a yellow light is incident on a surface, no electrons are emitted while green light can emit electrons. If the 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
Answer:A
When a yellow light is incident on a surface, no electrons are emitted while green light can emit electrons. If the 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