9702 U14 Waves Checkpoint Quiz #1

Jeffrey Piggott
Quiz by Jeffrey Piggott, updated more than 1 year ago
Jeffrey Piggott
Created by Jeffrey Piggott over 1 year ago
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Quiz for U14 Sections 14.1-14.3

Resource summary

Question 1

Question
A wave pulse moves along a stretched rope in the direction shown. Which diagram shows the variation with time t of the displacement s of the particle P in the rope?
Answer

Question 2

Question
A wave has period T, wavelength λ and amplitude A. The wave is shown on a graph of displacement x against distance d. Which graph is correctly labelled?
Answer

Question 3

Question
What is the relationship between the amplitude of a wave and its intensity?
Answer

Question 4

Question
The diagram shows two waves R and S. Wave R has an amplitude of 8 cm and a period of 30 ms. What are the amplitude and the period of wave S?
Answer
  • A amplitude = 2 cm; period = 10 ms.
  • B amplitude = 2 cm; period = 90 ms.
  • C amplitude = 4 cm; period = 10 ms.
  • D amplitude = 4 cm; period = 90 ms.

Question 5

Question
The graph shows the variation with time of the displacement X of a gas molecule as a continuous sound wave passes through a gas. The velocity of sound in the gas is 330 m.s^–1. All the graphs below have the same zero time as the graph above. What is the displacement-time graph for a molecule that is a distance of 0.165 m further away from the source of the sound?
Answer

Question 6

Question
The diagram shows a long rope fixed at one end. The other end is moved up and down, setting up a stationary wave. What is the phase difference between the oscillations at X and at Y?
Answer
  • A 0
  • B 45°
  • C 90°
  • D 135°
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