Standing Waves
Physics ⇒ Waves and Sound
Standing Waves starts at 10 and continues till grade 12.
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See sample questions for grade 11
A string fixed at both ends vibrates in its third harmonic. How many antinodes are present?
Describe how a standing wave is formed on a string fixed at both ends.
Describe what happens to the number of nodes and antinodes as the harmonic number increases in a standing wave on a string fixed at both ends.
Explain the difference between a node and an antinode in a standing wave.
A pipe closed at one end and open at the other is 0.5 m long. What is the wavelength of the fundamental mode?
A pipe open at both ends has a length of 0.85 m. What is the wavelength of the fundamental mode?
A standing wave pattern is observed on a string of length 2.0 m with 5 antinodes. What is the wavelength of the wave?
If the length of a string is 1.2 m and it supports a standing wave with 4 antinodes, what is the wavelength of the wave?
In a pipe closed at one end and open at the other, the fundamental frequency corresponds to which fraction of the wavelength fitting in the pipe? (1) 1/2 (2) 1/4 (3) 1 (4) 3/4
Which of the following best describes a standing wave? (1) A wave that travels in one direction only (2) A wave that appears to be stationary, with nodes and antinodes (3) A wave that loses energy as it moves (4) A wave that only exists in solids
Which of the following best describes the fundamental mode of vibration for a string fixed at both ends? (1) One node and one antinode (2) Two nodes and one antinode (3) Two antinodes and one node (4) Three nodes and two antinodes
Which of the following is necessary for the formation of a standing wave? (1) Reflection of a wave (2) Damping of a wave (3) Refraction of a wave (4) Diffraction of a wave
Standing waves can be formed when two waves of ________ amplitude and ________ frequency travel in opposite directions.
The amplitude at a node in a standing wave is ________.
The distance between a node and the nearest antinode in a standing wave is ________.
The points on a standing wave that remain stationary are called __________.
True or False: In a standing wave, all points between two adjacent nodes vibrate in phase.
True or False: In a standing wave, energy is transferred from one end of the medium to the other.
True or False: In a standing wave, the positions of nodes and antinodes change with time.
True or False: Only certain frequencies can produce standing waves in a given medium.
