Light Test

Question 1

1 / -0

Use the following information to answer the next question.

Four persons P, Q, R and S are suffering from four different diseases, which are listed in the given table.
Person	Disease
P	Asthma
Q	Diabetes
R	AIDS
S	TB

Which of the given persons cannot donate his eyes?

P

Q

R

S

Question 2
1 / -0

Which of the following precautions should TV viewers take while watching a programme?

A
Avoid direct light from the TV

B
Switch off all the lights in the room

C
Keep watching from a close distance

D
Keep the brightness of the TV very high

Question 3
1 / -0

Use the following information to answer the next question.

Tanvir uses his sense of touch while reading. He takes the help of a non-optical device.

Which of the following devices does Tanvir use for reading?

A
Contact lens

B
Braille stylus

C
Audio cassette

D
Magnifying glass

Question 4

1 / -0

Use the following information to answer the next question.

Three statements regarding the characteristics of an image formed by a plane mirror.

I The image is laterally inverted.

II The image distance from the mirror is equal to the object distance from the same.

III The image is larger than the object.

Among the given statements,

only statement I is correct

only statement III is correct

both statements I and II are correct

both statements II and III are correct

Question 5
1 / -0

From which of the following objects will a regular reflection take place?

A
Brick wall

B
Table glass

C
Wooden block

D
Cardboard sheet

Question 6
1 / -0

In regular reflections on a plane mirror, all parallel incident rays reflect from a

A
rough surface such that the reflected rays remain parallel

B
polished surface such that the reflected rays remain parallel

C
rough surface such that the reflected rays become divergent

D
polished surface such that the reflected rays become divergent

Question 7
1 / -0

The working of a barber’s mirror involves the phenomenon of

A
single reflection

B
multiple reflection

C
diffused reflection

D
irregular reflection

Submit Test

Light Test - 9...

Question 1

P

Q

R

S

Question 2

Avoid direct light from the TV

Switch off all the lights in the room

Keep watching from a close distance

Keep the brightness of the TV very high

Question 3

Contact lens

Braille stylus

Audio cassette

Magnifying glass

Question 4

only statement I is correct

only statement III is correct

both statements I and II are correct

both statements II and III are correct

Question 5

Brick wall

Table glass

Wooden block

Cardboard sheet

Question 6

rough surface such that the reflected rays remain parallel

polished surface such that the reflected rays remain parallel

rough surface such that the reflected rays become divergent

polished surface such that the reflected rays become divergent

Question 7

single reflection

multiple reflection

diffused reflection

irregular reflection

User

Question Analysis

Light Test - 9...

Question 1

P

Q

R

S

Question 2

Avoid direct light from the TV

Switch off all the lights in the room

Keep watching from a close distance

Keep the brightness of the TV very high

Question 3

Contact lens

Braille stylus

Audio cassette

Magnifying glass

Question 4

only statement I is correct

only statement III is correct

both statements I and II are correct

both statements II and III are correct

Question 5

Brick wall

Table glass

Wooden block

Cardboard sheet

Question 6

rough surface such that the reflected rays remain parallel

polished surface such that the reflected rays remain parallel

rough surface such that the reflected rays become divergent

polished surface such that the reflected rays become divergent

Question 7

single reflection

multiple reflection

diffused reflection

irregular reflection

User

Question Analysis

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