ABHYAS | Self Learning | Testing Platform

Q.1

A concave lens is thick _____________

A.

At the edges

B.

In the middle

C.

Same every where

D.

No definite shape

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Q.2

The direction of light can be changed by ____________

A.

a plane mirror

B.

a piece of paper

C.

a stone

D.

All the above

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Q.3

An image formed in front of the mirror is _______________

A.

Virtual

B.

Real

C.

Magnified

D.

Diminished

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Q.4

Pericscope works on the principal of _____ of light.

A.

Reflection

B.

Refrantion

C.

shadow

D.

None of these

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Q.5

The image formed by a plane mirror is __________

A.

Virtual

B.

Real

C.

Inverted

D.

Highly Magnified

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Q.6

A light ray makes and angle of reflection 68, when it reflects from a plane reflecting sheet. The angle of incidence will be ____________

A.

60

B.

45

C.

22

D.

68

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Q.7

Real image is formed by ______ mirror.

A.

Convex

B.

Concave

C.

Plane

D.

Irregular

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Q.8

A ray of light is incident normally on a plane mirror. The angle of reflection will be _________________

A.

$0^0$

B.

$90^0$

C.

Will not be reflected

D.

None of the above

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Q.9

A Match the entries given in Column - I with those in Column - II.

Column I	Column II
a. Plane mirror	1. Used as a magnifying glass
b. Convex mirror	2. Can form images of objects spread over a large area
c. Convex mirror	3. Used by dentists to see enlarged images of teeth
d. Concave mirror	4. Image is erect and of the same size as the object
e. Concave lens	5. The image is erect and smaller than the object

A.

a-4, b-2, c-1, d-3, e-5

B.

a-4, b-5, c-1, d-3, e-2

C.

a-4, b-3, c-2, d-5, e-1

D.

a-4, b-1, c-3, d-2, e-5

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Q.10

A ray of light passing through the focus of a concave mirror will be _________________

A.

Absorbed by the mirror

B.

Absorbed through the focus again

C.

Reflected through the centre of curvature of the mirror

D.

Reflected parallel to the principal axis of the mirror.

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Attention !!!!!