A beam of light travels from air into a medium. Its speed and wavelength in the medium are \(1.5 \times 10^8 ms ^{-1}\) …
Q1
A beam of light travels from air into a medium. Its speed and wavelength in the medium are \(1.5 \times 10^8 ms ^{-1}\) and \(230 nm\) respectively. The wavelength of light in air will be
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