Quiz on Physics Set 53

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Quiz on Physics Set 53 :

Question 1 : 

A student’s 9.0 V, 7.5W portable radio was left on from 9:00 P.M. until 3:00 A.M. How much charge passed through the wires?
A. 6000C
B. 12000C
C. 18000C
D. 24000C

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Correct Ans: Option C

Question 2 : 

An 1800 W toaster, a 1.3KW electric fan and a 100W lamp are plugged in the same 120V circuit i.e. all the three devices are in parallel. What is the approximate value of the total current (i.e. sum of the current drawn by the three devices) through circuit ?
A. 18A
B. 27A
C. 40A
D. 120A

View Answer
Correct Ans: Option B

Question 3 : 

If the current in the toroidal solenoid increases uniformly from zero to 6.0A in 3.0μs. Self inductance of the toroidal solenoid is 40μH. The magnitude of self induced emf is
A. 24V
B. 48V
C. 80V
D. 160V

View Answer
Correct Ans: Option B

Question 4 : 

An electron is at ground state of the H atom. Minimum energy required to excite the H atom into second excited state is
A. 10.2eV
B. 3.4eV
C. 13.6eV
D. 12.1eV

View Answer
Correct Ans: Option C

Question 5 : 

A particle enters uniform constant magnetic field region with its initial velocity parallel to the field direction. Which of the following statements about its velocity is correct? (neglect the effects of other fields)
A. There is change only in magnitude
B. There is change only in direction
C. There is change in both magnitude and direction
D. There is no change

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Correct Ans: Option D

Question 6 : 

Which of the following Material has lowest resistivity?
A. Constantan
B. Silver
C. Manganin
D. Copper

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Correct Ans: Option B

Question 7 : 

A particle is moving in translatory motion. If momentum of the particle decreases by 10%, kinetic energy will decrease by
A. 20%
B. 19%
C. 10%
D. 5%

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Correct Ans: Option B

Question 8 : 

A standing wave occurs when
A. two waves overlap
B. the amplitude of a wave exceeds its wavelength
C. the speed of the wave is zero or near zero
D. a wave reflects upon itself

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Correct Ans: Option D

Question 9 : 

Conversion of a substance directly from solid to vapour state is known as
A. Vaporisation
B. Ionisation
C. Sublimation
D. Decomposition

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Correct Ans: Option C

Question 10 : 

When a ship floats on water
A. It displaces no water
B. The mass of water displaced is more than the mass of the ship
C. The mass of water displaced is less than the mass of the ship
D. The mass of water displaced is equal to the mass of the ship

View Answer
Correct Ans: Option D

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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