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.
A 35 kΩ is connected in series with a resistance of 40 kΩ. What resistance R must be con...
The energy in the nucleus of atoms produce heat which can be used to generate ...
The efficiency of a machine is always less than 100% because the ...
The capacitance of a parallel-plate capacitor ...
Which of the following is not an electromagnetic radiation? ...