Gr 10 Physical Sciences Ch 6: Amplitude
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Questions and Answers

What is the amplitude of a wave?

  • The speed of the wave
  • The distance between two consecutive crests
  • The maximum disturbance or displacement of the medium from its equilibrium position (correct)
  • The frequency of the wave

    • How is the amplitude of a wave measured?

  • By measuring the frequency of the wave
  • By measuring the distance between two consecutive crests
  • By measuring the speed of the wave
  • By measuring the distance between the equilibrium position and each crest or trough (correct)

    • What is represented by the symbol A in wave mechanics?

  • Speed of the wave
  • Amplitude of the wave (correct)
  • Wavelength of the wave
  • Frequency of the wave

    • What does a higher amplitude correspond to?

    <p>A wave with more energy</p> Signup and view all the answers

    What is the equilibrium position in wave mechanics?

    <p>The position the medium would be in if there were no wave disturbance</p> Signup and view all the answers

    What is the unit of measurement for amplitude in the International System of Units (SI)?

    <p>Metres</p> Signup and view all the answers

    What is observed when measuring the distance from the equilibrium position to each crest and trough?

    <p>The distances are consistent for each crest and trough</p> Signup and view all the answers

    What is the relationship between the distance from the equilibrium position to a crest and the distance from the equilibrium position to a trough?

    <p>The distances are equal</p> Signup and view all the answers

    What does the amplitude of a wave measure?

    <p>The maximum disturbance or displacement of the medium from its equilibrium position</p> Signup and view all the answers

    Why is amplitude an important concept in wave mechanics?

    <p>It measures the energy carried by the wave</p> Signup and view all the answers

    What is the purpose of identifying the equilibrium position when measuring amplitude?

    <p>To find the reference point for measuring amplitude</p> Signup and view all the answers

    What is the significance of consistent distances between the equilibrium position and each crest?

    <p>It demonstrates the amplitude of the wave</p> Signup and view all the answers

    Why is it important to measure the distance from the equilibrium position to both crests and troughs?

    <p>To ensure accurate measurement of amplitude</p> Signup and view all the answers

    What is the advantage of measuring amplitude in both upward and downward directions?

    <p>It allows for a more comprehensive understanding of wave energy</p> Signup and view all the answers

    What is the relationship between amplitude and the energy carried by a wave?

    <p>Amplitude is directly proportional to wave energy</p> Signup and view all the answers

    What is the purpose of measuring amplitude in wave mechanics?

    <p>To understand the energy carried by the wave</p> Signup and view all the answers

    What is the primary characteristic of a wave with high amplitude?

    <p>It carries more energy</p> Signup and view all the answers

    Which of the following steps is NOT necessary to measure amplitude?

    <p>Determine the wavelength of the wave</p> Signup and view all the answers

    What is the significance of equal distances between the equilibrium position and each crest?

    <p>It demonstrates the wave's amplitude</p> Signup and view all the answers

    Why is amplitude measured in both upward and downward directions?

    <p>To measure the maximum displacement in both directions</p> Signup and view all the answers

    What is the purpose of measuring amplitude in wave mechanics?

    <p>To understand the wave's properties and behavior</p> Signup and view all the answers

    What is the relationship between the distance from the equilibrium position to a crest and the distance from the equilibrium position to a trough?

    <p>They are always equal</p> Signup and view all the answers

    What is the primary advantage of measuring amplitude?

    <p>It helps us understand the wave's energy</p> Signup and view all the answers

    Why is amplitude a critical concept in wave mechanics?

    <p>It is a measure of the wave's energy</p> Signup and view all the answers

    What is the primary reason why amplitude is a critical measure of wave energy?

    <p>It provides a direct measure of the energy carried by a wave</p> Signup and view all the answers

    Why is it necessary to identify the equilibrium position when measuring amplitude?

    <p>To establish a reference point for measuring amplitude</p> Signup and view all the answers

    What is the significance of measuring amplitude in both upward and downward directions?

    <p>It ensures that the amplitude is a true measure of maximum displacement</p> Signup and view all the answers

    Why do waves with higher amplitudes have more energy?

    <p>Because they have a greater maximum displacement</p> Signup and view all the answers

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

    <p>The amplitude of a wave is directly proportional to its energy</p> Signup and view all the answers

    What is the primary characteristic of a wave with a low amplitude?

    <p>It has a low energy</p> Signup and view all the answers

    Why is amplitude a fundamental concept in wave mechanics?

    <p>It is a measure of wave energy</p> Signup and view all the answers

    What is the significance of consistent distances between the equilibrium position and each crest?

    <p>It indicates that the wave has a constant amplitude</p> Signup and view all the answers

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