In photo-emission, the number of photo-electrons ejected ...
In photo-emission, the number of photo-electrons ejected per second depends on the?
frequency of the beam
work function of the metal
threshold frequency of the metal
intensity of the beam
Correct answer is D
The photoelectric effect is dependent upon various factors including frequency of light, intensity of light, nature of material, energy of light and potential difference.
The minimum energy required to remove an electron from an atom is known as ...
An evidence of the wave nature of matter is ...
The area under a force-time graph represents-------- ...
Which of the following characteristics of light determines its colour? ...
A cell of e.m.f 2V and internal resistance 1Ω supplies a current of 0.5 amps to a resistanc...