PHY 102 | Study Mode

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Question 1
A
i,ii,iii
B
ii,iii
C
iii
D
i,ii
E
i
Explanation

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Correct option: C
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Question 2
A
i,ii
B
ii,iii
C
i,ii,iii
D
ii
E
iii
Explanation

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Correct option: A
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Question 3
A
i,ii,iii
B
i
C
ii,iii
D
i
E
iii
Explanation

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Correct option: B
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Question 4
A
longitudinal
B
transverse
C
stationary
D
cannot be diffracted
E
none of the above
Explanation

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Correct option: A
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Question 5
A
the velocity of sound in air is independent of the motion of the source
B
the velocity of sound in air is dependent of the motion of the source
C
the velocity of sound in air is equal to that of the motion of the source
D
the velocity of sound in air is equal to zero
E
none of the above
Explanation

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Correct option: E
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Question 6
A
Refraction
B
Interference
C
Diffraction
D
Polarization
E
Photoelectric effect
Explanation

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Correct option: E
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Question 7
A
can be diffracted
B
can be polarized
C
can be reflected
D
travel faster in solid than in liquid
E
travel in air
Explanation

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Correct option: B
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Question 8
A
gamma-rays, ultraviolet rays, radio waves.
B
gamma-rays, visible light, ultraviolet rays.
C
visible light, infrared radiation, microwaves
D
microwaves, ultraviolet rays, X-rays
E
radio-waves, visible-light, infrared radiation
Explanation

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Correct option: C
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Question 9
A
its frequency decreases and its velocity decreases
B
its wavelength decreases and its velocity decreases
C
its frequency increases and its velocity increases
D
its wavelength increases and its velocity increases
E
none of the above
Explanation

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Correct option: B
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Question 10
A
50
B
495
C
660
D
727
E
7300
Explanation

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Correct option: B

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