Quiz on Physics Set 253

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Quiz on Physics Set 253 :

Question 1 : 

Why we should wear light coloured cloths during summer?
A. light colour is good radiator of heat
B. light colour soak sweat faster
C. light colour absorbs less heat
D. light colour allow body heat escape faster

View Answer
Correct Ans: Option C

Question 2 : 

Scalding with steam is more severe than scalding with boiling water because
A. steam can penetrate the skin
B. steam at higher temperature
C. steam is at higher pressure
D. steam contains more energy than boiling water

View Answer
Correct Ans: Option D

Question 3 : 

One feels cold after a dip in sea water due to
A. the evaporation of water on the body
B. the deposition of salt on the body
C. convection currents
D. the difference in temperature between land and sea

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Correct Ans: Option A

Question 4 : 

Why does the surface water of a pond remain cool in a hot day?
A. heat absorbed at the surface is transmitted downwards
B. water evaporated at the surface and evaporation causes cooling
C. water in contact with the bottom of the pond become cooler and rises due to convection
D. None of these

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Correct Ans: Option B

Question 5 : 

Television signal cannot be received ordinarily beyond a particular distance due to
A. weakness of the signal
B. weak antenna
C. curvature of the earth
D. absorption of signals in the air

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Correct Ans: Option C

Question 6 : 

What is the use of a radar?
A. for receiving signals in a radio receiver
B. for studying the movement of planets
C. detecting the position of aeroplanse
D. for studying sunspots

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Correct Ans: Option C

Question 7 : 

If you stand in a room, where two adjecent walls are covered with plane mirrors then total number of your images will be
A. 2
B. Infinite
C. 3
D. 5

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Correct Ans: Option C

Question 8 : 

Assertion : The acceleration due to gravity increases with height above the earth's surface
Reason : Gravitational force increases with height
A. Both Assertion and Reason are correct and Reason explains Assertion
B. Both Assertion and Reason are correct and Reason does not explain Assertion
C. Assertion is correct but Reason is wrong
D. Both Assertion and Reason are wrong

View Answer
Correct Ans: Option D

Question 9 : 

Assertion : Objects appear weightless inside an orbiting spacecraft.
Reason : Objects in circular motion experience centripetal force
A. Both Assertion and Reason are correct and Reason explains Assertion
B. Both Assertion and Reason are correct and Reason does not explain Assertion
C. Assertion is correct but Reason is wrong
D. Both Assertion and Reason are wrong

View Answer
Correct Ans: Option B

Question 10 : 

Assertion : The earth revolves around the sun in ellliptical orbit
Reason: The sun always attracts the earth with the same force.
A. Both Assertion and Reason are correct and Reason explains Assertion
B. Both Assertion and Reason are correct and Reason does not explain Assertion
C. Assertion is correct but Reason is wrong
D. Both Assertion and Reason are wrong

View Answer
Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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