Quiz on Physics Set 34

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Quiz on Physics Set 34 :

Question 1 : 

Consider the following physical quantities:
1. Speed
2. Velocity
3. Amplitude
4. Acceleration
Which of the above remain unchanged during Uniform Circular Motion?
A. Only 1 & 2
B. Only 2 & 3
C. Only 1 & 3
D. Only 2 & 4

View Answer
Correct Ans: Option C

Question 2 : 

In terms of Physics, which among the following situations result in work done?
1) Brakes are applied to a moving vehicle and vehicle stops
2) A ball is projected vertically upward and it comes back due to force of gravity
3) A body moves in a circular path
Select the correct option from the codes given below:
A. Only 1 & 2
B. Only 2 & 3
C. Only 1 & 3
D. 1, 2 & 3

View Answer
Correct Ans: Option A

Question 3 : 

Two electric bulbs marked 25W and 220V and 100W and 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?
A. 25 W
B. 100 W
C. Both
D. Neither

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Correct Ans: Option A

Question 4 : 

Consider the following physical quantities:
1. Entropy 
2. Work
3. Momentum
4. Force
Which of the above are vector quantities?
A. 1 & 2
B. 2 & 3
C. 3 & 4
D. 1 & 4

View Answer
Correct Ans: Option C

Question 5 : 

Stars closer to the horizon would appear to twinkle more than others normally. What could be the possible explanation to this?
1. Atmosphere is dense at Horizons
2. The energy produced from stars keep varying
Select the correct option from the codes given below:
A. Only 1 is correct
B. Only 2 is correct
C. Both 1 & 2 are correct
D. Neither 1 nor 2 is correct

View Answer
Correct Ans: Option A

Question 6 : 

By how many times are the Electrostatic forces stronger than the Gravitational Forces for a fixed distance?
A. 10^2
B. 10^36
C. 10^12
D. 2

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Correct Ans: Option B

Question 7 : 

Which of the following is not a valid conservation law of classical Physics?
A. Law of conservation of energy
B. Law of conservation of current
C. Law of conservation of angular momentum
D. Law of conservation of charge

View Answer
Correct Ans: Option B

Question 8 : 

What is the change in the angular momentum of a system as per the Law of Conservation of Angular momentum, if the total external torque acting is zero?
A. Remains constant
B. Becomes zero
C. Increases exponentially
D. None of the above

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Correct Ans: Option A

Question 9 : 

Which of the following scientific discoveries was made by C.V Raman?
A. Inelastic scattering of light by molecules
B. Super Conductivity
C. Controlled nuclear fission
D. Cyclotron

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Correct Ans: Option A

Question 10 : 

Which of the following physical quantities do not have any unit of measurement?
A. Universal Constant of Gravitation
B. Specific Gravity
C. Tension
D. Plancks constant

View Answer
Correct Ans: Option B

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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