(C) When a wave travels from a rarer medium to a denser medium,its speed $(v)$ and wavelength $(\lambda)$ decrease because the refractive index of the

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wavelength and speed decrease but frequency remains constant

(C) When a wave travels from a rarer medium to a denser medium,its speed $(v)$ and wavelength $(\lambda)$ decrease because the refractive index of the denser medium is higher. However,the frequency $(f)$ of the wave is a property of the source and remains constant during refraction. The relationship is given by $v = f \lambda$.

Class 12 Physics Ray Optics and Optical Instruments Refraction of Light

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If a wave gets refracted into a denser medium,then which of the following is true?

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A
wavelength,speed and frequency decrease
B
wavelength increases,speed decreases and frequency remains constant
C
wavelength and speed decrease but frequency remains constant
D
wavelength,speed and frequency increase

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Ray Optics and Optical Instruments

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Refraction of Light

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The wavelength of light in air and some other medium are respectively ${\lambda_a}$ and ${\lambda_m}$. The refractive index of the medium is:

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If a wave gets refracted into a denser medium,then which of the following is true?

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The refractive indices of glass and water with respect to air are $3/2$ and $4/3$ respectively. The refractive index of glass with respect to water is:

As shown in the figure,after passing through medium $1$,the speed of light $v_{2}$ in medium $2$ will be $..... \times 10^{8} \, ms^{-1}$. (Given $c = 3 \times 10^{8} \, ms^{-1}$)

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