Free Physics14 Practice Test - IAS 

Question 1

Consider the following statements regarding electric fuse wire
1.It has low melting point
2.It has very high specific resistance
3.it is connected in parallel with the electric circuit
Which of the statements given above is/are correct?

A. 1 only
B. 1 and 3
C. 1 and 2
D. 2 and 3

SOLUTION

Solution : C

Option:(c)

Question 2

Consider the following metals
1.Uranium
2.Radium
3.Plutonium
Which of these are used in making nuclear weapons?

A. 1 and 2
B. 1, 2 and 3
C. 2 and 3
D. 1 and 3

SOLUTION

Solution : D

Option:(d)

Question 3

According to the law of conservation of energy
1.energy can be created but not destroyed
2.energy can neither be created or destroyed
3.energy can be transformed from one form to the other

A. 1 only
B. 2 only
C. 2 and 3
D. 3 only

SOLUTION

Solution : C

Option:(c)

Question 4

Match List I (Device) with List II (Conversion) and select the correct answer from the codes given below the lists.

A. A-4,B-3,C-1,D-2
B. A-4,B-3,C-2,D-1
C. A-1,B-2,C-3,D-4
D. A-3,B-4,C-1,D-2

SOLUTION

Solution : A

Option:(a)

Question 5

Match List I (Discovery) with List II (Scientists) and select the correct answer from the codes given below the lists.

A. A-3,B-1,C-2,D-4
B. A-3,B-4,C-1,D-2
C. A-1,B-3,C-4,D-2
D. A-2,B-4,C-1,D-3

SOLUTION

Solution : B

Option:(b)

Question 6

Match List I (Names) with List I (Contribution) and select the correct answer from the codes given below the lights. 

A. A-2,B-1,C-4,D-3
B. A-4,B-3,C-2,D-1
C. A-2,B-4,C-1,D-3
D. A-3,B-1,C-4,D-2

SOLUTION

Solution : C

Option:(c)

Question 7

The following are some great discoveries in
1.X-rays
2.Theory of relativity
3.Super conductivity
4.Raman effect
The chronological order in which they were discovered is

A. 1, 2, 3, 4
B. 1, 2, 4, 3
C. 1, 3, 2, 4
D. 4, 1, 2, 3

SOLUTION

Solution : A

Option:(a)

Question 8

To achieve high value of rocket velocity, one must have

A. high exhaust velocity and low loss of mass during propulsion
B. high exhaust velocity and higher loss of mass during propulsion
C. low exhaust velocity and higher loss of mass during propulsion
D. None of the above

SOLUTION

Solution : B

Option:(b)

Question 9

In a refrigerator, cooling is produced by

A. the ice which deposits on the freezer
B. the sudden expansion of a compressed gas
C. the evaporation of a volatile liquid
D. None of the above

SOLUTION

Solution : C

Option:(c)

Question 10

Which of the following is/are examples of electromagnetic waves?
1.X-rays
2.Ultrasonics
3.β-rays
4.α-rays

A. 1 only
B. 2 only
C. 1, 3 and
D. 2, 3 and 4

SOLUTION

Solution : A

Option:(a)

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