Quiz on Physics Set 58

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Quiz on Physics Set 58 :

Question 1 : 

Which of the following law states that if two systems are in thermal equilibrium with a third system separately, then they are in thermal equilibrium with each other?
A. First law of Thermodynamics
B. Zeroth law of Thermodynamics
C. Second law of Thermodynamics
D. Third law of Thermodynamics

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Correct Ans: Option B

Question 2 : 

What do we call the process in which no exchange of heat energy takes place between the gas and the surroundings?
A. Adiabatic
B. Isothermal
C. Isochoric
D. Isobaric

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Correct Ans: Option A

Question 3 : 

What do we call the process taking place at constant temperature?
A. Adiabatic
B. Isothermal
C. Isochoric
D. isobaric

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Correct Ans: Option B

Question 4 : 

What do we call a device by which a system is made to undergo a cyclic process resulting in conversion of heat to work?
A. Heat engine
B. Refrigerator
C. No such device exists
D. None of the above

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Correct Ans: Option A

Question 5 : 

Which of the following electrical machines has the highest efficiency?
A. Induction motor
B. D.C shunt motor
C. Transformer
D. Synchronous motor

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Correct Ans: Option C

Question 6 : 

Isotopes of an element contain
A. Equal number of protons and electrons
B. Equal number of nucleons
C. The same number of neutrons but different number of protons
D. The same number of protons but different number of neutrons

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Correct Ans: Option D

Question 7 : 

Exposure to sunlight helps a person improve his health because
A. The infrared light kills bacteria in the body
B. The pigment cells in the skin get stimulated and produce a healthy tan
C. The ultraviolet rays convert skin oil into Vitamin D
D. Resistance power increases

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Correct Ans: Option C

Question 8 : 

Sound of frequency below 20 Hz is called
A. Audio sounds
B. Infrasonic
C. Supersonics
D. Ultrasonic

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Correct Ans: Option B

Question 9 : 

Primary rainbow is formed when light suffers
A. Either one or two internal refractions before emerging out of the drop
B. No internal refraction
C. One internal refractions before emerging out of the drop
D. Two internal refractions before emerging out of the drop

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Correct Ans: Option C

Question 10 : 

Air is a/an
A. Element
B. Compound
C. Mixture
D. Electrolyte

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Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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