Question

A metal surface ejects electrons when hit by violet light but not when hit by yellow light. Will electrons be ejected if the surface is hit by red light? 1) Yes 2) No 3) Yes if the red beam is quite intense 4) Yes if the red beam continues to fall upon the surface for a long time.​

Answer 1

In the question it is mentioned that the surface won't eject electrons when yellow light hits. So, red having higher wavelength won't eject back .

Answer 2

Explanation:

In the question it is mentioned that the surface won't eject electrons when yellow light hits. So, red having higher wavelength won't eject back .

# Uppar Wale se copied !

Kindly Mark As Brainliest ^_^

$\huge \pink{~} \red {τ} \green {α} \blue {v} \orange {v} \pink {u} \red {♡}$