A wave of light having frequency 4 xx 10...

A wave of light having frequency `4 xx 10^(14)`Hz. And speed of light `3 xx 10^8` m/s enters glass of R.I. 1.5. Change in wavelength is

A

(A) `2.5xx10^-7 m`

B

(B) `2.5xx10^-6 m`

C

(C) `2.5xx10^-8 m`

D

(D) `2.5xx10^-9 m`

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