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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

`5xx10^(-18)`

B

`4xx10^(1)`

C

`3xx10^(7)`

D

`2xx10^(-25)`

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The correct Answer is:
B
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