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- Multiple ChoicePlease save your changes before editing any questions.
This string is in the
1st harmonic
2nd harmonic
3rd harmonic
4th harmonic
- Multiple ChoicePlease save your changes before editing any questions.
This wave is found in/on a
String
Rod
Open Tube
Closed Tube
- Multiple ChoicePlease save your changes before editing any questions.
The figure represents a string of length L, fixed at both ends, vibrating in several harmonics. Which string shows the 4th harmonic?
A
B
C
D
E
- Multiple ChoicePlease save your changes before editing any questions.
The figure represents a string of length L, fixed at both ends, vibrating in several harmonics. Which string shows the 3rd harmonic?
A
B
C
D
E
- Multiple ChoicePlease save your changes before editing any questions.
The figure shows several modes of vibration of a string fixed at both ends. The mode of vibration that represents the fifth harmonic is
1
2
3
4
None of these is correct.
- Multiple ChoicePlease save your changes before editing any questions.
A stretched string is fixed at points 1 and 5. When it is vibrating at the second harmonic frequency, the nodes of the standing wave are at points
1 and 5.
1, 3, and 5.
1 and 3.
2 and 4.
1, 2, 3, 4, and 5.
- Multiple ChoicePlease save your changes before editing any questions.
A stretched string is fixed at points 1 and 5. When it is vibrating in its first harmonic frequency, the nodes are at points
1 and 5 only.
1, 3, and 5.
2 and 4.
2, 3, and 4.
1, 2, 3, 4, and 5.
- Multiple ChoicePlease save your changes before editing any questions.
Of the sound sources shown, that which is vibrating with its first harmonic is
the whistle.
the organ pipe.
the vibrating string.
the vibrating rod.
None of these.
- Multiple ChoicePlease save your changes before editing any questions.
A string fixed at both ends is vibrating in a standing wave. There are three nodes between the ends of the string, not including those on the ends. The string is vibrating at a frequency that is its
fundamental.
second harmonic.
third harmonic.
fourth harmonic.
fifth harmonic.
- Multiple ChoicePlease save your changes before editing any questions.The moving black dot is called:a nodean anti-nodean anti-amplitudethe wangy bit
- Multiple ChoicePlease save your changes before editing any questions.The stationary dot is called:a node.an anti-node.the amplitude.the not moving bit.