MEDIUM
10th CBSE
IMPORTANT
Earn 100

A ray of light is incident on a plane mirror making an angle of 20° with the normal. The mirror is now rotated by 10° such that the normal at the point of incidence moves away from the incident ray. The new angle of reflection (in degrees) is .

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Important Questions on Reflection and Refraction

EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 19
Light can travel in vacuum.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 20
Speed of light is same in all mediums.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 21
A highly polished surface is a good reflector of light.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 22
A transparent medium is a good transmitter of light.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 23
A virtual image is one which is formed by the actual intersection of rays and can be obtained on a screen.
MEDIUM
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 24
The image of an extended object is a collection of the image points of the various point sources of the object.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 25
Light wave is a longitudinal wave.
EASY
10th CBSE
IMPORTANT
Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 26
Image size = Object size for a plane mirror.