Quiz on Physics Set 262

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Note: You can select only one option out of four option of each question.

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Quiz on Physics Set 262 :

Question 1 :

An application of Bernoulli's equation for fluid flow is found in
A. Dynamic lift of a n aeroplane
B. Viscosity meter
C. Capillary rise
D. Hydraulic press

Correct Ans: Option A

Question 2 :

Two satellites are moving in the same circular orbit around the earth, they must have the same
A. Mass
B. Angular Momentum
C. Kinetic Energy
D. Speed

Correct Ans: Option D

Question 3 :

If the distance between two masses is doubled, the gravitational attraction between them
A. Is doubled
B. Becomes four times
C. Is reduced to half
D. Is reduced to a quarter

Correct Ans: Option D

Question 4 :

Bernoulli's theorem is based on the conservation of
A. Mass
B. Momentum
C. Energy
D. All of these

Correct Ans: Option C

Question 5 :

The starting current of an electric motor is ________ the current flowing after the motor reaches its normal running speed.
A. exactly equal to
B. nearly equal
C. much greater than
D. less than

Correct Ans: Option C

Question 6 :

Energy conversions in loudspeaker are
A. electrical to mechanical to sound
B. mechanical to electrical to sound
C. sound to mechanical to electrical
D. mechanical to sound

Correct Ans: Option A

Question 7 :

Energy conversions taking place in microphone are
A. electrical to mechanical to sound
B. sound to electrical to mechanical
C. sound to mechanical to electrical
D. elsctrical to sound

Correct Ans: Option C

Question 8 :

A transformer is used for
A. generating electricity
B. converting AC to DC
C. stepping up (or down ) voltage
D. None of these

Correct Ans: Option C

Question 9 :

In our houses we get 220V ac. The value 220 represents
A. effective voltage
B. constant voltage
C. average voltage
D. peak voltage

Correct Ans: Option A

Question 10 :

What is the frequency of ac current we use at houses?
A. 25Hz
B. 50Hz
C. 75Hz
D. 100Hz

Correct Ans: Option B

Quiz Summary


Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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