# 9702 U14 Waves Checkpoint Quiz #1

Quiz by Jeffrey Piggott, updated more than 1 year ago
 Created by Jeffrey Piggott over 1 year ago
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### Description

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?

### 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?

### Question 3

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

### 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?
• 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?

### 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?
• A 0
• B 45°
• C 90°
• D 135°

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