alleryStart learning →Light of wavelength 600 nm in vacuum enters a medium of refractive index 1.5. What is its wavelength inside?
A900 nm
B600 nm
C400 nm
D300 nm
Answer & Solution
Correct answer: C. 400 nm
Wavelength in the medium is the vacuum wavelength divided by n, so 600/1.5 = 400 nm.
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