Monochromatic light of wavelength λ1 travelling in medium of refractive index n1 enters a denser medium of refractive index n2. The wavelength in the second medium is
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a
λ1n1n2
b
λ1n2n1
c
λ1
d
λ1n2−n1n1
answer is A.
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Detailed Solution
n1=cv1=vλvλ1=λλ1n2=cv2=vλvλ2=λλ2Now, n1n2=λ2λ1 or λ2=n1n2λ1