Velocity of light in vacuum 3× 10^8 m/s and that in water 2.3 ×10^8 m/s, if the wavelength of of a wave in vacuum is 6× 10^-7 m. What is the wavelength in water?
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Answer:
Explanation:
v= n x
x= wavelength
velocity is directly proportional to wavelength
wavelength in water = 2.3 ×10^8 * 6×10^-7 /3× 10^8
= 4.6 * 10^-7 m
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