A beam of light travels from air into a medium. Its speed and wavelength in the medium…
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
A beam of light travels from air into a medium. Its speed and wavelength in the medium are 1.5 \(\times\) 108 ms-1and 230 nm respectively. The wavelength of light in air will be
- 230 nm
- 345 nm
- 460 nm
- 690 nm
Answer
(C) 460 nm
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