Q. The surfaces having regular reflection, the normal at all the points of incidence are

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Q. The reflection in sandpaper and cloth are the examples of

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Q. Light ray reflected from the reflecting surface is called

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Q. A plane mirror is

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Q. It occurs at smooth surfaces

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Q. An optical medium where the speed of light is slower than another is said to be

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Q. The ratio (speed of light in air or vacuum/speed of light in a medium) is equal to

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Q. The incident ray, refracted ray and the normal ray all lie on the same plane, as per

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Q. The bending effect of light as it passes from one transparent material into other is known as

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Q. As per second law of refraction, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is

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Q. The sudden change in speed causes the path of light to bend resulting in

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Q. One way mirrors are also known as

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Q. A swimming pool can be seen shallower than it really is due to the effect of

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Q. The mirror that reflects about half the light and lets the other half pass through is known as

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Q. The speed of light in glass is

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Q. The mirror commonly used in lasers and CD-ROM is

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Q. At the boundary of two optical media, light is

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Q. If the refractive index of water is 1.33 and of air is 1, the value of critical angle for water at 90° refracted angle should be

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Q. The greater the value of refractive index of a medium, the bending of light will be

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Q. A girl accidently dropped a ring into a pool at night. She shone a powerful torch light to locate the ring. The refractive index of water is 1.33, what is the pool's depth?

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