Class 11 Physics · Chapter 7 · Test 2
Stationary Waves
42 MCQs This test covers stationary waves, nodes and antinodes, energy in a standing wave, and vibrations of a stretched string with harmonics and quantization of frequency. It also covers organ pipes open at both ends and closed at one end, with numericals, and the microwave experiment for stationary waves.
42 questions · 35 min · 42 marks
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Sample questions
The first 5 of 42. Try each one, then tap to see the answer.
Question 1
Stationary waves are also known as:
- AStanding waves
- BProgressive waves
- CSurface waves
- DQuantum waves
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Answer: A
Stationary waves oscillate in a fixed position and are also called standing waves.
Question 2
A stationary wave is formed by the superposition of two waves of the same frequency and amplitude travelling:
- AIn the same direction
- BAt right angles
- CIn opposite directions
- DWith different speeds only
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Answer: C
Two equal waves moving in opposite directions produce a standing wave.
Question 3
A node in a stationary wave is a point of:
- AMaximum displacement
- BZero displacement
- CIntermediate displacement
- DInfinite displacement
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Answer: B
Nodes are points where the displacement is always zero.
Question 4
An antinode in a stationary wave is a point of:
- AZero displacement
- BMinimum displacement
- CConstant phase only
- DMaximum amplitude
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Answer: D
Antinodes are points of maximum amplitude.
Question 5
The distance between two consecutive nodes is:
- Aλ/2
- Bλ
- Cλ/4
- D2λ
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Answer: A
Consecutive nodes are separated by half a wavelength.
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