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qUESTIONS

On a glass plate a light wave is incident at an angle of 60°. If the reflected and the refracted waves are mutually perpendicular, the refractive index of material is

Which of the following graphs show appropriate variation of refractive index u with wavelength λ

The wavelength of sodium light in air is 5890 Å. The velocity of light in air is 3 * 10 ^ 8 * m * s ^ – 1 The wavelength of light in a glass of refractive index 1.6 would be close to

Monochromatic light of wavelength 589 nm is incident from air on a water surface. The refractive index of water is 1.33. The wavelength of the refracted light is

The refractive indices of glass and water w.r.t. air are 3/2 and 4/3 respectively. The refractive index of glass w.r.t. water will be

When a light wave goes from air into water, the quality that remains unchanged is its

When light travels from one medium to the other of which the refractive index is different, then which of the following will change

An object of length 6 cm is placed on the principal axis of a concave mirror of focal length f at a distance of 4f. The length of the image will be

An object is kept at a distance of 60 cm from a concave mirror. For getting a magnification of 1/2, focal length of the concave mirror required is

A 2.0 cm tall object is placed 15 cm in front of a concave mirror of focal length 10 cm. What is the size and nature of the image

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