class 10 light reflection and refraction mcq

If the angle of incidence is equal to critical angle, then the angle of refraction is a) 0° b) 20⁰ c) 90° d) 180°

The angle of deviation produced by the glass slab is …….. a) 0° b) 20° c) 90 d) Depends on the formed by the light ray and normal to the slab

Refractive index of air or vacuum(n) is a) n=1 b) n ≥ 1 c) n=0 d) n ≥0

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class 10 light reflection and refraction mcq

Mirage is a best example for the phenomenon of a) reflection b) refraction c) total internal reflection d) shift

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If the angle of incidence is equal to critical angle, then the angle of refraction is a) 0° b) 20⁰ c) 90° d) 180°

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The angle of deviation produced by the glass slab is …….. a) 0° b) 20° c) 90 d) Depends on the formed by the light ray and normal to the slab

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Refractive index of air or vacuum(n) is a) n=1 b) n ≥ 1 c) n=0 d) n ≥0

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