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Light of wavelength 5000 x 10-8 travels in free space with a velocity of 3 x ...

Light of wavelength 5000 x 10-8 travels in free space with a velocity of 3 x 10[sup]3[\sup]ms-1 .What is its wave length an glass of refractive index 1.5?

A. 3333 x10[sup]-8[\sup]cm
B. 500 x 10[sup]8[\sup]cm
C. 666 x10[sup]8[\sup]
D. 75000x10[sup]8[\sup]





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