# Class 10th CBSE "LIGHT" multiple choice questions. Online Test

Light is a form of energy produced by a

An example for non-luminous object is ___________.

he phenomenon by which the incident light falling on a surface is sent back into the same medium is known as

When light is incident on a polished surface ___________ reflection takes place.

An object becomes invisible when it undergoes ______ reflection.

According to the laws of reflection,

The image formed by a plane mirror is always _______.

The centre of the sphere of which the spherical mirror forms a part is called ____________.

The focus of a concave mirror is ________.

A converging mirror is known as ________.

The relation between the focal length and radius of curvature of a mirror is _______.

Radius of curvature of a concave mirror is always _____ to the mirror.

An image formed by a convex mirror is always ________.

If the image formed by a concave mirror is virtual, erect and magnified, then the object is placed __________.

Dentists use a _____________ to focus light on the tooth of a patient.

An object is placed 1.5 m from a plane mirror. How far is the image from the person?

An object placed 2m from a plane mirror is shifted by 0.5 m away from the mirror. What is the distance between the object and its image?

What is the angle between the incident and reflected rays when a ray of light is incident normally on a plane mirror?

A ray of light is incident on a plane mirror and the angle of incidence is 25 degrees. What is the angle of reflection?

A ray of light is incident on a plane mirror and the angle of reflection is 50o. Calculate the angle between the incident ray and the reflected ray.

Which of the following is used to make a periscope?

Which mirror has a wider field of view?

A ray of light passing through the _______ retraces its path.

When an object is placed at the focus of a concave mirror, the image will be formed at ________.

Butter paper is an example for _______ object.

An object of size 2.0 cm is placed perpendicular to the principal axis of a concave mirror. The distance of the object from the mirror equals to the radius of curvature. The size of the image will be ______________.

f an incident ray passes through the centre of curvature of a spherical mirror, the reflected ray will __________________.

Ray optics is valid when characteristic dimensions of obstacles are:

Focal length of plane mirror is:

Magnification produced by plane mirror is:

(a) +1 (b) -1

(c) &lt; 1 (d) &gt; 1

The magnification produced by a mirror is 1/3, then the type of mirror is

A stick partially immersed in water appears broken due to

Mirage is produced in hot deserts due to

The unit of power of a lens is

The astigmatism can be corrected by

The human eye can distinguish between different colours due to the presence of

The accommodation of a normal eye is from

A person suffering from presbyopia should use

The rod-shaped cells on the retina respond to

Myopia and hypermetropia can be corrected by using ________ lens and ________ lens respectively.

Description:

This test is designed to check knowledge of students in the LIGHT chapter (10th CBSE board). For any querries and personal requests, contact me at yashlay@gmail.com or use WIZIQ dashboard.

Discussion

i really didn't get
why the concave mirror have virtual focus
ur test said that concave mirror have virtual focus

461 days 22 hours 18 minutes ago

nice test sir

1439 days 5 hours 50 minutes ago

wonderful test please give more online test

1522 days 29 minutes ago

It was really good to test the knowledge! Keep it up, sir! thank you...and please put more M.C.Q's..so that it would be helpful!!! Thank you..once again!

1537 days 6 hours 32 minutes ago

v.gud questions sir...very inforative 1s

1572 days 12 hours 50 minutes ago

Yashlay Sinha
Physics Teacher (10th & 12th CBSE Board)
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