Quiz on Physics Set 5

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Quiz on Physics Set 5 :

Question 1 : 

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:
A. The heating effect of current alone
B. Hysteresis loss alone
C. Both the heating effect of current and hysteresis loss
D. Intense sunlight at noon

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Correct Ans: Option C

Question 2 : 

Nuclear sizes are expressed in a unit named
A. Fermi
B. Angstrom
C. Newton
D. Tesla

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Correct Ans: Option A

Question 3 : 

Light year is a unit of
A. Time
B. Distance
C. Light
D. Intensity of light

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Correct Ans: Option B

Question 4 : 

Mirage is due to:
A. Unequal heating of different parts of the atmosphere
B. Magnetic disturbances in the atmosphere
C. Depletion of ozone layer in the atmosphere
D. Equal heating of different parts of the atmosphere

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Correct Ans: Option A

Question 5 : 

Stars appears to move from east to west because
A. All stars move from east to west
B. The earth rotates from west to east
C. The earth rotates from east to west
D. The background of the stars moves from west to east

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Correct Ans: Option B

Question 6 : 

Pa(Pascal) is the unit for
A. Thrust
B. Pressure
C. Frequency
D. Conductivity

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Correct Ans: Option B

Question 7 : 

Planets do not twinkle because
A. They emit light of a constant intensity
B. Their distance from the earth does not change with time
C. They are very far away from the earth resulting in decrease in intensity of light
D. They are nearer to earth and hence we receive a greater amount of light.

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Correct Ans: Option D

Question 8 : 

Metals are good conductors of electricity because:
A. They contain free electrons.
B. The atoms are lightly packed.
C. They have high melting point.
D. All of the above.

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Correct Ans: Option A

Question 9 : 

Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A. will overflow
B. will not rise
C. depressed
D. change its meniscus

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Correct Ans: Option B

Question 10 : 

Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?
A. Pressure and Young's modules
B. Planck's constant and Angular momentum
C. Impulse and moment of force
D. Force and rate of change of linear momentum

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Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [C],     Q.2 [A],     Q.3 [B],     Q.4 [A],     Q.5 [B],     Q.6 [B],     Q.7 [D],     Q.8 [A],     Q.9 [B],     Q.10 [C],    


Total Questions: 10
Your score:
Subject: Physics
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