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Electric field associated with a light w...

Electric field associated with a light wave is given `E= E_(0) sin [1.57 xx10^(15)x +6.28 xx10^(15) t]` V/m. If this light incident on a surface of work function 2.0 eV the stopping potential will be -

A

`23.6` V

B

5 V

C

`2.1V`

D

25 V

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Flux associated with any point in electric field is......

    A
    zero
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  • Component of electric field of electromagnetic wave is as following : E_(x)=10^(2)sin(pi(9xx10^(14)t-3xx10^(6)z)) , E_(y)=0, E_(z)=0 , then intensity of wave is ….

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