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 thermometric property of a constant volume thermometer is? ...
Which of the following statements about waves in pipes is correct? ...
In which of the following industries is mica as a raw material? ...
A metal sheet of area 100cm2 was heated through 70°C. Calculate its new area if the linear ...
The speed of sound in air is directly proportional to ...
The inside of a vacuum flask is usually coated with silver to reduce heat loss by ...
As a bicycle Tyre was being pumped up, it was noticed that contrary to Boyle's law the volume in...