Speed of Sound in Air at Room Temperature Using a Resonance Tube NEET Questions

Physics - Experimental Skills

Speed of Sound in Air at Room Temperature Using a Resonance Tube MCQ Questions


13.
The first harmonic in a closed tube corresponds to:
A.
Half a wavelength
B.
One-fourth of a wavelength
C.
One complete wavelength
D.
Twice the wavelength
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ANSWER :
B. One-fourth of a wavelength
14.
What is the effect of increasing humidity on the speed of sound in air?
A.
Decreases
B.
Increases
C.
Remains unchanged
D.
Fluctuates
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ANSWER :
B. Increases
15.
End correction is required because:
A.
Air particles move beyond the tube
B.
Temperature variations in air
C.
Sound waves are not confined to the tube
D.
Tube length affects resonance
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ANSWER :
C. Sound waves are not confined to the tube
16.
Which physical quantity remains unchanged during resonance?
A.
Wavelength
B.
Amplitude
C.
Frequency
D.
Time period
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ANSWER :
C. Frequency
17.
The frequency of sound in a resonance tube is determined by:
A.
Length of the tube
B.
Diameter of the tube
C.
Both length and diameter
D.
Material of the tube
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ANSWER :
C. Both length and diameter
18.
The resonance condition is met when:
A.
L = 位/2
B.
L = 位/4
C.
L = 3位/4
D.
L = 5位/4
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ANSWER :
B. L = 位/4