EASY
10th CBSE
IMPORTANT
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A ray of light passes undeviated at the interface of two media. The angle of refraction must be

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Important Questions on Light - Reflection and Refraction

EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 4
A ray of light travelling in air is incident on the surface of a rectangular  plastic slab of refractive index 2. If the angle of refraction is 30°, what is the angle of incidence?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 5
The speed of light in a given medium is 2.5×108 m/s. If the speed of light in air is 3×108 m/s, what is the refractive index of the given medium?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 6
The refractive indices of four materials - A, B, C and D are 1.89, 1.61, 1.50 and 1.33 respectively. When a light ray travelling in air enters each of these materials separately, which material will produce minimum bending?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 7
The refractive indices of four materials - A, B, C and D are 1.89, 1.61, 1.50 and 1.33 respectively. The speed of light is the minimum in
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 8
A piece of diamond is dipped in a liquid of refractive index 1.2. If the refractive index of diamond is 2.42, what is the refractive index of the diamond with respect to the liquid?
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 9
A 2 cm high object is placed at a distance of 2 f from a convex lens. The height of image formed will be
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 10
A converging lens forms a virtual image of an object when the object is placed at a distance of 19 cm from it. The focal length of the lens must be
EASY
10th CBSE
IMPORTANT
Eduwiser's CBSE PHYSICS FOR CLASS X>Chapter 4 - Light - Reflection and Refraction>EXERCISE>Q 11
When a small-lighted bulb is kept at the focus of a convex lens, the lens produces