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The wavelength difference of light wa...

The wavelength difference of light waves of the wave numbers ` 2 xx 10 ^6 ` per m and 2 ` 25 xx 10 ^ 6 ` per m is

A

`0.556 xx10^-6 m`

B

`0.0556 xx 10^6 m`

C

`0.0556 xx 10^-6 m`

D

`0.556 xx 10^6 m`

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