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- The wavelengths for the light of red and blue colours are nearly 7.8 x 10-7m and 4.8 x 10-7 m respectively
. The wavelengths for the light of red and blue colours are nearly 7.8 x 10-7m and 4.8 x 10-7 m respectively
The wavelengths for the light of red and blue colours are nearly 7.8 x 10-7m and 4.8 x 10-7 m respectively.
(a)Which colour has the greater speed in vacuum
(b)Which colour has the greater speed in glass
Best Answer
(a) Both the colours have same speeds in vacuum.
(b) Red colour has a greater speed in glass.
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