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The frequency of an electromagnetic radi...

The frequency of an electromagnetic radiation is `2 xx 10^6 Hz`. What is its wavelength in metres?
(velocity of light is `3 xx 10^8 ms^-1`)

A

`6 xx 10^14`

B

`1.5 xx 10^4`

C

`1.5 xx 10^2`

D

`0.66 xx 10^-2`

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