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qUESTIONS

A light wave has a frequency of 4 x 10^14 Hz and a wavelength of 5 x 10^-7 meters in a medium. The refractive index of the medium is

If the speed of light in vacuum is C m/sec, then the velocity of light in a medium of refractive index 1.5

The ratio of thickness of plates of two transparent mediums A and B is 6: 4. If light takes equal time in passing through them, then refractive index of B with respect to A will be

Electromagnetic radiation of frequency n, wavelength λ, travelling with velocity v in air, enters a glass slab of refractive index μ. The frequency, wavelength and velocity of light in the glass slab will be respectively

Velocity of light in glass whose refractive index with respect to air is 1.5 is 2 x 10^8 m / s and in certain liquid the velocity of light found to be 2.5 x 10^8 m / s The refractive index of the liquid with respect to air is

A beam of light is converging towards a point I on a screen. A plane glass plate whose thickness in the direction of the beam = 1, refractive index = µ, is introduced in the path of the beam. The convergence point is shifted by

Ray optics is valid, when characteristic dimensions are

What is the time taken (in seconds) to cross a glass of thickness 4 mm and μ = 3 by light

The distance travelled by light in glass (R.I.= 1.5) in a nanosecond will be

Absolute refractive indices of glass and water are 3/2 & 4/3. The ratio of velocity of light in glass and water will be

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