Speed of light is same in all mediums.

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 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.

HARD

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 27

Moon is a luminous object.

EASY

10th CBSE

IMPORTANT

Modern's ABC+ Of Science Physics>Chapter 4 - Reflection and Refraction>Practice Exercise 4A>Q 28

Normal incidence means angle of incidence is zero.