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Threshold wavelength for metal is 10,000...

Threshold wavelength for metal is `10,000Å`. If light of wavelength `5461Å` is incident on it, then stopping potential is 1.02 V, then value of Planck's constant is :

A

`6.45xx10^(-34)J-sec`

B

`6.45xx10^(-34)J-sec`

C

`6.60xx10^(-3)Jsec`

D

`6.67xx10^(-34)J-sec`

Text Solution

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The correct Answer is:
C
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