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