English Medium Class 10 - CBSE Question Bank Solutions for Science

Define the following term in the context of spherical mirrors:- Centre of curvature

Define the following term in the context of spherical mirrors:- Principal axis

Define the following term in the context of spherical mirrors:- Principal focus

Explain the following term related to spherical lenses:- centres of curvature

Explain the following term related to spherical lenses:- principal axis

Explain the following term related to spherical lenses:- aperture

Explain the following term related to spherical lenses:- principal focus

Explain the following term related to spherical lenses: focal length

A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection

A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?

A ray of light is incident normally on a plane mirror. What will be the:

1. angle of incidence?
2. angle of reflection?

A ray of light is incident normally on a plane mirror. What will be the 

 angle of reflection?

What type of image is formed:

1. in a plane mirror?
2. on a cinema screen?

What type of image is formed: 

on a cinema screen?

What kind of mirror is required for obtaining a virtual image of the same size as the object?

What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?

The letter F is placed in front of a plane mirror: 

Name the spherical mirror which has:

(a) virtual principal focus.
(b) real principal focus.

Name the two types of spherical mirrors. What type of mirror is represented by the:

1. back side of a shining steel spoon?
2. front side of a shining steel spoon?