Physics
(i) Why is the ratio of the velocities of light of wavelengths 4000 Å and 8000 Å in vacuum 1 : 1 ?
(ii) Which of the above wavelengths has a higher frequency?
Spectrum
ICSE 2018
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Answer
(i) In vacuum the light of each wavelength travels with the same speed i.e., the speed of light of wavelength of 4000 Å is same as that of light of wavelength 8000 Å.
(ii) The light of wavelength 4000 Å will have higher frequency.
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