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Calculate the energy in joule correspond...

Calculate the energy in joule corresponding to light of wavelength 45 nm : `("Planck's constant "h=6.63 xx 10^(-34)" Js: speed of light :"c =3 xx 10^8 "ms"^(-1))`.

A

`4.42 xx10^(-15) j`

B

`4.42 xx10^(-18) j`

C

`6.67 xx10^(-15) j`

D

`6.67 xx10^(-11) j`

Text Solution

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The correct Answer is:
B
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