Gr 10 Physical Sciences Ch 5 SUM: Transverse pulses
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Questions and Answers

What is a pulse?

  • A wave that remains in the same position
  • A repeated disturbance that moves through a medium
  • A single disturbance that moves through a medium (correct)
  • A type of wave that can only travel through air

    • What occurs when you flick one end of a rope?

  • The rope breaks
  • The rope remains stationary
  • The disturbance moves along the rope (correct)
  • The disturbance remains at the end of the rope

    • What is an example of a transverse pulse?

  • A wave moving horizontally through a slinky
  • A wave moving vertically through a slinky
  • A wave moving horizontally through a rope
  • A wave moving vertically through a rope (correct)

    • What is the definition of a transverse pulse?

    <p>A pulse where all the particles disturbed by the pulse move perpendicular to the direction in which the pulse is moving (B)</p> Signup and view all the answers

    What is the amplitude of a pulse?

    <p>The maximum disturbance or distance the medium is displaced from its rest position (B)</p> Signup and view all the answers

    What unit is used to measure the amplitude of a pulse?

    <p>Meters (C)</p> Signup and view all the answers

    What is the pulse length?

    <p>The distance between the start and end of the pulse (A)</p> Signup and view all the answers

    Why are amplitude and pulse length important?

    <p>They are crucial in understanding the properties of pulses (D)</p> Signup and view all the answers

    What is the unit of amplitude?

    <p>Metre (m) (C)</p> Signup and view all the answers

    What is pulse length?

    <p>The horizontal length of the disturbance (D)</p> Signup and view all the answers

    What is the formula to calculate pulse speed?

    <p>v = D/t (A)</p> Signup and view all the answers

    What is the principle of superposition?

    <p>The resulting disturbance is the sum of the two disturbances (C)</p> Signup and view all the answers

    What happens when two pulses meet and their disturbances add together?

    <p>Constructive interference (D)</p> Signup and view all the answers

    What is the definition of destructive interference?

    <p>When two pulses meet, resulting in a smaller pulse (D)</p> Signup and view all the answers

    What happens to the amplitude of a pulse after constructive interference?

    <p>It remains the same (B)</p> Signup and view all the answers

    What is the condition for destructive interference to occur?

    <p>When a crest of one pulse meets the trough of another (A)</p> Signup and view all the answers

    What happens when two pulses with equal and opposite amplitudes meet?

    <p>They destructively interfere and cancel each other out (A)</p> Signup and view all the answers

    What is the result of superposition of two pulses?

    <p>A pulse with the sum of the amplitudes of the two initial pulses (B)</p> Signup and view all the answers

    What is the primary characteristic of a pulse?

    <p>It moves through a medium. (B)</p> Signup and view all the answers

    In a transverse pulse, what is the direction of the displacement of the medium?

    <p>Perpendicular to the direction of motion of the pulse. (D)</p> Signup and view all the answers

    What is the significance of pulse length in understanding pulses?

    <p>It is a measure of the pulse's size. (D)</p> Signup and view all the answers

    What is the maximum disturbance of a medium measured in?

    <p>Meters. (C)</p> Signup and view all the answers

    What happens when a pulse is created in a rope?

    <p>The disturbance moves away from the point of origin. (D)</p> Signup and view all the answers

    What is the relationship between the amplitude and pulse length of a pulse?

    <p>They are independent of each other. (B)</p> Signup and view all the answers

    What is the purpose of measuring the amplitude of a pulse?

    <p>To understand the properties of the pulse. (D)</p> Signup and view all the answers

    What can be inferred about the movement of a pulse?

    <p>It can move through a medium. (B)</p> Signup and view all the answers

    What is the quantity that remains constant over time during an investigation of a pulse?

    <p>Pulse length (C), Amplitude (D)</p> Signup and view all the answers

    What is the unit of measurement for pulse speed?

    <p>Metre per second (m/s) (D)</p> Signup and view all the answers

    What happens to the amplitude of a pulse after it undergoes destructive interference?

    <p>It decreases (A)</p> Signup and view all the answers

    What is the result of the superposition of two pulses with equal and opposite amplitudes?

    <p>No pulse (C)</p> Signup and view all the answers

    What is the principle that describes the interaction of two or more pulses?

    <p>Principle of Superposition (A)</p> Signup and view all the answers

    What type of interference occurs when two pulses meet and their disturbances add together to create a larger pulse?

    <p>Constructive interference (B)</p> Signup and view all the answers

    What is the quantity that is calculated using the formula v = D/t?

    <p>Pulse speed (C)</p> Signup and view all the answers

    What happens to the pulse length of a pulse after it undergoes constructive interference?

    <p>It remains the same (C)</p> Signup and view all the answers

    What is the condition for constructive interference to occur?

    <p>Two pulses with equal amplitudes and same direction (B)</p> Signup and view all the answers

    What is the result of the superposition of two pulses with different amplitudes and same direction?

    <p>A pulse with a larger amplitude (A)</p> Signup and view all the answers

    What is the effect on the amplitude of a pulse when it undergoes constructive interference?

    <p>The amplitude increases (B)</p> Signup and view all the answers

    What is the condition for two pulses to undergo destructive interference?

    <p>The pulses have the same amplitude and opposite directions (B)</p> Signup and view all the answers

    What is the significance of measuring pulse length and amplitude in an investigation?

    <p>To show that they are fundamental properties of a pulse (C)</p> Signup and view all the answers

    What happens to the pulse length of a pulse after it undergoes superposition?

    <p>It remains the same (C)</p> Signup and view all the answers

    What is the result of the superposition of two pulses with different amplitudes and opposite directions?

    <p>A pulse with a smaller amplitude (B)</p> Signup and view all the answers

    What is the quantity that is calculated using the formula D/t?

    <p>Pulse speed (D)</p> Signup and view all the answers

    What happens when two pulses with equal and opposite amplitudes meet?

    <p>They destructively interfere (B)</p> Signup and view all the answers

    What is the significance of the principle of superposition?

    <p>It describes the interaction of two or more pulses (C)</p> Signup and view all the answers

    What is the effect on the pulse length of a pulse when it undergoes constructive interference?

    <p>It remains the same (C)</p> Signup and view all the answers

    What is the condition for constructive interference to occur?

    <p>The pulses have the same amplitude and direction (A)</p> Signup and view all the answers

    What is the primary characteristic of a pulse that distinguishes it from a wave?

    <p>It is a single disturbance that moves through a medium (B)</p> Signup and view all the answers

    What is the direction of motion of the particles in a transverse pulse relative to the direction of the pulse?

    <p>Perpendicular to the direction of the pulse (C)</p> Signup and view all the answers

    What happens to the pulse length when the amplitude of a pulse increases?

    <p>It is unaffected (B)</p> Signup and view all the answers

    What is the significance of measuring the amplitude of a pulse?

    <p>To understand the properties of the pulse (D)</p> Signup and view all the answers

    What is the unit of measurement used to quantify the amplitude of a pulse?

    <p>Metres (m) (B)</p> Signup and view all the answers

    What is the relationship between the amplitude and pulse length of a pulse?

    <p>They are unrelated (A)</p> Signup and view all the answers

    What happens when a pulse is created in a rope?

    <p>The disturbance moves along the rope (B)</p> Signup and view all the answers

    What is the primary characteristic of a transverse pulse that distinguishes it from other types of pulses?

    <p>The direction of motion of the particles is perpendicular to the direction of the pulse (A)</p> Signup and view all the answers

    What is the key characteristic of a transverse pulse that distinguishes it from other types of pulses?

    <p>The displacement of the medium is perpendicular to the direction of motion of the pulse. (A)</p> Signup and view all the answers

    What is the significance of measuring the amplitude of a pulse in an investigation?

    <p>It is a measure of the energy of the pulse. (B)</p> Signup and view all the answers

    What is the primary characteristic of a pulse that distinguishes it from a wave?

    <p>The pulse is a single disturbance that moves through a medium. (C)</p> Signup and view all the answers

    What is the relationship between the amplitude and pulse length of a pulse after it undergoes constructive interference?

    <p>Both the amplitude and pulse length increase. (C)</p> Signup and view all the answers

    What is the condition for two pulses to undergo destructive interference?

    <p>The pulses have equal and opposite amplitudes. (A)</p> Signup and view all the answers

    During an investigation, what is the significance of finding that pulse length and amplitude remain constant over time?

    <p>It confirms that pulse length and amplitude are fundamental properties of a pulse. (B)</p> Signup and view all the answers

    When two pulses with different amplitudes meet, what type of interference occurs?

    <p>The type of interference depends on the relative sizes of the amplitudes. (C)</p> Signup and view all the answers

    What is the purpose of measuring pulse speed?

    <p>To understand how far a pulse travels in a given time. (B)</p> Signup and view all the answers

    What happens to the pulse length of a pulse after it undergoes superposition?

    <p>It remains the same. (D)</p> Signup and view all the answers

    When two pulses meet, what determines the resulting disturbance at any point?

    <p>The principle of superposition. (A)</p> Signup and view all the answers

    What happens to the particles in a medium when a pulse is created?

    <p>They move perpendicular to the direction of the pulse (C)</p> Signup and view all the answers

    What is the importance of measuring amplitude and pulse length in understanding pulses?

    <p>To understand the properties of pulses (C)</p> Signup and view all the answers

    What is the direction of motion of the disturbance in a transverse pulse?

    <p>Perpendicular to the direction of the pulse (C)</p> Signup and view all the answers

    What is the purpose of performing an investigation on pulses?

    <p>To observe the characteristics of pulses (C)</p> Signup and view all the answers

    What is the unit of measurement for the amplitude of a pulse?

    <p>Meters (m) (A)</p> Signup and view all the answers

    What is the fundamental property of a pulse that remains constant over time?

    <p>Amplitude (C)</p> Signup and view all the answers

    What is the result of the superposition of two pulses with same amplitudes and opposite directions?

    <p>Complete cancellation of the pulses (A)</p> Signup and view all the answers

    What is the principle that describes the interaction of two or more pulses?

    <p>Principle of Superposition (A)</p> Signup and view all the answers

    What occurs when two pulses meet and their disturbances partially or completely cancel each other out?

    <p>Destructive Interference (C)</p> Signup and view all the answers

    What is the quantity that is calculated using the formula v = D/t?

    <p>Pulse speed (B)</p> Signup and view all the answers

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