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In a photoelectric experiment, kinetic e...

In a photoelectric experiment, kinetic energy of photoelectrons was plotted against the frequency of incident radition `(v)`, as show in figure. Which of the following statements is correct ?

A

The thershold frequency is `v_(1)`.

B

The slope of this line is equal to Plank's constant

C

As the frequency of incident wavelength in creases beyond thrshold frequency Kinetic energy of photoelectrons decreases

D

It is impossible to obtain such a graph.

Text Solution

Verified by Experts

The correct Answer is:
B

`K.E.=hv-hv_(0)`
y=mx-C
Slope = h
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