Which of the following statement about the photo electric emission is incorrect?

Electronics and Communication Engineering (ECE) : Electronic Devices and Circuits - Quiz(MCQ)

The maximum velocity of emission varies with the intensity of light

The maximum velocity of emission varies with the frequency of incident light

The quantum yield depends on the frequency and not the intensity of incident light

The amount of photoelectric emission is directly proportional to the intensity of light

Correct Answer : Option (A) : The maximum velocity of emission varies with the intensity of light

Recently Updated in Electronic Devices and Circuits Questions

The kinetic energy of photoelectrons emitted by a photo sensitive surface depends on

angle of incidence of radiation

surface conditions of the surface

intensity of the incident radiation

wavelength of the incident radiation

Correct Answer : wavelength of the incident radiation

For radiating ultraviolet rays, LEDs use

gallium arsenide

zinc sulphide

gallium phosphide

None of the above

Correct Answer : zinc sulphide

For an P-N-P transistor in normal operation its junction are biased as

emitter base : reverse, collector base : reverse

emitter base : reverse, collector base : forward

emitter base : forward, collector base : forward

emitter base : forward, collector base : reverse

Correct Answer : emitter base : forward, collector base : reverse