Optics Question 736

Question: Light of wavelength is 7200AA in air. It has a wavelength in glass ( μ=1.5 ) equal to

[DCE 1999]

Options:

A) 7200AA

B) 4800AA

C) 10800AA

D) 7201.5AA

Show Answer

Answer:

Correct Answer: B

Solution:

λglass=λairμ=72001.5=4800AA



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