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.
In a standing wave, an antinode is a point where:
A.
Particles do not move
B.
Displacement is zero
C.
Displacement is maximum
D.
Pressure is maximum
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ANSWER :
C. Displacement is maximum
14.
In a sound (longitudinal) standing wave in a tube, at a displacement node, pressure is:
A.
Zero
B.
Variable
C.
Minimum
D.
Maximum (pressure antinode)
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ANSWER :
D. Maximum (pressure antinode)
15.
Resonance occurs when:
A.
An external oscillating force matches the natural frequency of the system, leading to large amplitude oscillations
B.
Two waves cancel out
C.
The medium is solid
D.
Sound is absorbed
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ANSWER :
A. An external oscillating force matches the natural frequency of the system, leading to large amplitude oscillations
16.
In a closed organ pipe (closed at one end, open at the other), the closed end is a:
A.
Mid-point
B.
Displacement node (and pressure antinode)
C.
Pressure node
D.
Displacement antinode
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ANSWER :
B. Displacement node (and pressure antinode)
17.
In an open organ pipe (open at both ends), both ends are:
A.
Displacement nodes
B.
Velocity nodes
C.
Pressure antinodes
D.
Displacement antinodes
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ANSWER :
D. Displacement antinodes
18.
In a resonance tube experiment (closed at water level, open at top), resonance occurs when the air column length L satisfies:
A.
L = n位
B.
L = n位 脳 2
C.
L + e = (2n - 1) 位/4, where e is end correction and n = 1, 2, 3...
D.
L = n位/2
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ANSWER :
C. L + e = (2n - 1) 位/4, where e is end correction and n = 1, 2, 3...