Quiz on Physics Set 149

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Quiz on Physics Set 149 :

Question 1 : 

  A stone is dropped from the roof of a house in the direction of the ground. The kinetic energy of the stone will be maximum:
A. just before it touches the ground
B. just after it is dropped
C. when it touches the ground
D. when it is just on the half-way

View Answer
Correct Ans: Option A

Question 2 : 

Magnetism in materials is due to
A. all neutrons at rest
B. protons at rest
C. circular motion of electrons
D. electrons at rest

View Answer
Correct Ans: Option C

Question 3 : 

Indicate the true arrangement for electromagnetic radiation in order of their increasing wavelength
A. Visible, infrared, microwave, X-rays
B. X - rays, infrared, visible, microwave
C. Microwave, infrared, visible. X-rays
D. X -rays, visible, infrared, microwave

View Answer
Correct Ans: Option B

Question 4 : 

When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are
A. waves are not produced
B. longitudinal
C. transverse
D. both longitudinal & transverse

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Correct Ans: Option C

Question 5 : 

The intensity of sound at a point is ______ its distance from the source
A. Inversely proportional to
B. Directly proportional to the square of
C. Inversely proportional to the square of
D. Directly proportional to

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Correct Ans: Option C

Question 6 : 

Four wires of same material and of dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?
A. Wire of 1 m length and 2 mm diameter
B. Wire of 3 m length and 1.5 mm diameter
C. Wire of 2 m length and 2 mm diameter
D. Wire of 1 m length and 1 mm diameter

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Correct Ans: Option B

Question 7 : 

A pond of water seems less deep due to
A. polarisation
B. reflection
C. refraction
D. diffraction

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Correct Ans: Option C

Question 8 : 

The dimension MLT-2 corresponds to
A. force
B. acceleration
C. velocity
D. work done

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Correct Ans: Option A

Question 9 : 

In a laser (say neon laser) all the atoms emit the light waves of
A. Same frequency
B. Same amplitude
C. Same phase
D. All the above

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Correct Ans: Option D

Question 10 : 

The best colours for a sun umbrella will be
A. Black on top red on inside
B. Red on top white on inside
C. White on top black on inside
D. Black on top white on inside

View Answer
Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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