Physics
Fill in the blanks to complete the following sentences —
(a) When light travels from a rarer to a denser medium, its speed ……………
(b) When light travels from a denser to a rarer medium, its speed ……………
(c) The refractive index of glass with respect to air is 3/2. The refractive index of air with respect to glass will be ……………
Answer
(a) When light travels from a rarer to a denser medium, its speed decreases
(b) When light travels from a denser to a rarer medium, its speed increases.
(c) The refractive index of glass with respect to air is 3/2. The refractive index of air with respect to glass will be 2/3.
Related Questions
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How does the refractive index of a medium depend on the wavelength of light used?
The refractive index of water with respect to air is aμw and of glass with respect to air is aμg. Express the refractive index of glass with respect to water.
Which colour of light travels fastest in any medium except air?