Quiz on Physics Set 30

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Quiz on Physics Set 30 :

Question 1 : 

Decibel is a term connected with :
A. Air
B. Water
C. Sound
D. Soil

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Correct Ans: Option C

Question 2 : 

Decibel is the unit used for
A. Speed of light
B. Intensity of heat
C. Intensity of sound
D. Radio wave frequency

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Correct Ans: Option C

Question 3 : 

The speed of sound in air depends on
A. Frequency
B. Temperature
C. Wavelength
D. None of the Above

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Correct Ans: Option B

Question 4 : 

The unit of noise pollution (level) is :
A. Decibel
B. Decimal
C. Ppm
D. None of these

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Correct Ans: Option A

Question 5 : 

The speed of sound travel fastest through
A. Liquid
B. Solid
C. Gas
D. None of the above

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Correct Ans: Option B

Question 6 : 

Compressions and Rarefactions are characteristic of
A. Longitudinal waves
B. Transverse waves
C. Both A & B
D. Neither of A & B

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Correct Ans: Option A

Question 7 : 

Least audible sound for most of the human ear is :
A. 10.0 µ bar
B. 0.0002 µ bar
C. 0.005 µ bar
D. 5.0 µ bar

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Correct Ans: Option B

Question 8 : 

Hertz is a unit for measuring
A. Intensity of waves
B. Frequency of waves
C. Wavelength
D. Clarity of waves

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Correct Ans: Option B

Question 9 : 

When two similar sources vibrate with slightly different frequencies , a regular rise and fall occurs in the loudness of tone. This phenomenon is known as
A. resonance
B. doppler effect
C. echo
D. beats

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Correct Ans: Option D

Question 10 : 

By what process is heat transmitted from the filament of an evacuated electric bulb to the glass?
A. Conduction
B. Convection
C. Radiation
D. Heat cannot be transmitted through a vacuum

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Correct Ans: Option C

Quiz Summary

Here the correct answers of every question in this quiz.

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


Total Questions: 10
Your score:
Subject: Physics
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