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Electronics and Communication Engineering (ECE) : Electronic Devices and Circuits - Quiz(MCQ)
Which of the following is true as regards photo emission?
A)
Velocity of emitted electrons is dependent on light intensity
B)
Rate of photo emission is inversely proportional to light intensity
C)
Maximum velocity of electron increases with decreasing wave length
D)
Both holes and electrons are produced

Correct Answer : Option (C) :   Maximum velocity of electron increases with decreasing wave length


Explanation : As wavelength decreases, frequency increases and maximum velocity of electron increases.

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