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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 `3.0 xx 10^(8)ms^(-1)`. Which value is closest to the wavelength in nanometers of a quantum of light with frequency `8xx10^(15)s^(-1)`?

A

`3xx 10^(7)`

B

`2 xx 10^(-25)`

C

`5 xx 10^(-18)`

D

`4 xx 10^(1)`

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The correct Answer is:
D
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