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

When light is incident on a surface, photoelectrons are emitted. For photoelectrons,

When light is incident on a surface, photoelectrons are emitted. For photoelectrons,

When a ray of light is incident normally on a surface, then

When a ray of light is incident normally on a surface, then

When a ray of light is incident normally on a surface, then

When green light is incident on a certain metal surface, electrons are emitted but no electrons are emitted with yellow light. If red light is incident on the same metal surface.

When green light is incident on a certain metal surface electrons are emitted but no electrons are emitted with yellow light. IF red light is incident on the same metal surface-

Fill in the blank spaces with appropirate answers: When blue light incidents on a photosensitive surface electrons are emitted but when red light falls on the same surface there is no emission of electrons. Then the threshold wavelength is _______ than blue and __________ than red.