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The value of Planck's constant is 6.63 x...

The value of Planck's constant is `6.63 xx 10^-34 Js`. The velocity of light is `3 xx 10^8 m//sec`. Which value is closest to the wavelength of quantum of light with frequency of `8 xx 10^15 sec^-1` ?

A

`5 xx 10^(-18) m`

B

`4 xx 10^(-8) m`

C

`3 xx 10^(7) m`

D

`2 xx 10^(-25) m`

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The correct Answer is:
B
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