Light Test

Result

Light Test - 5

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SHARING IS CARING

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Weekly Quiz Competition

Question 1
1 / -0

What happens to the light as we move away from its source such as candle?

A
It gets dimmer.

B
It gets brighter.

C
It remains the same.

D
None of these.
Question 2
1 / -0

Things that do not allow light to pass through them are said to be

A
translucent

B
opaque

C
transparent

D
luminous
Question 3
1 / -0

Light can bend around small objects. What is this property of light called?

A
Refraction

B
Diffraction

C
Dispersion

D
Reflection
Question 4
1 / -0

Centre of curvature of a spherical mirror is the

A
point which divides the mirror in two halves

B
centre of the sphere of which the mirror forms a part

C
point at which all rays converge or seem to diverge

D
central point of a spherical mirror
Question 5
1 / -0

The rear-view mirror used in a car is

A
convex

B
plane

C
concave

D
None of these
Question 6
1 / -0

A 5 feet tall man wishes to see his full image in a plane mirror. The minimum height of the plane mirror needed for this purpose is

A
5 ft

B
10 ft

C
2.5 ft

D
7.5 ft
Question 7
1 / -0

What is the focal length of a plane mirror?

A
Zero

B
Unity

C
Infinity

D
None of these
Question 8
1 / -0

How many images of an object are formed, if it is placed between two plane mirrors inclined at an angle of 60º?

A
2

B
3

C
7

D
5
Question 9
1 / -0

What is the nature of image formed by a plane mirror?

A
Erect and diminished

B
Erect and of the same size

C
Inverted and of the same size

D
Erect and enlarged

User

Question Analysis

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Re-Attempt Weekly Quiz Competition

Light Test - 5

Result

Light Test - 5

Score

-

Rank

-

SHARING IS CARING

Question 1

It gets dimmer.

It gets brighter.

It remains the same.

None of these.

Question 2

translucent

opaque

transparent

luminous

Question 3

Refraction

Diffraction

Dispersion

Reflection

Question 4

point which divides the mirror in two halves

centre of the sphere of which the mirror forms a part

point at which all rays converge or seem to diverge

central point of a spherical mirror

Question 5

convex

plane

concave

None of these

Question 6

5 ft

10 ft

2.5 ft

7.5 ft

Question 7

Zero

Unity

Infinity

None of these

Question 8

2

3

7

5

Question 9

Erect and diminished

Erect and of the same size

Inverted and of the same size

Erect and enlarged

User

Question Analysis

My Perfomance

Score

-

Rank

-

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