Vibration and Wave Physics Test

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Questions and Answers

Consider the statements below:

  1. One-direction motion
  2. Back and forth motion
  3. Movement with uniform period
  4. Movement with different period
  5. Movement through equilibrium
  6. Movement through random point Which of the statements about vibration are correct?

  • 1, 4 and 6
  • 3 and 5 (correct)
  • 2, 4 and 6
  • 1, 3 and 5

The number of full vibrations per one second is called?

frequency

An ideal pendulum with the length of rope of l, is pulled by a rigid sphere load with the mass of m. Then the pendulum is deviated with 10° angle, causing the pendulum to vibrate periodically. To make the period of swinging faster, the correct thing that can be done is....

  • reducing the mass m
  • adding the angle of deviation to 15°
  • reducing the length of rope (correct)
  • adding the length of rope

Consider these examples below:

  1. Light wave
  2. Sound wave
  3. Radio wave
  4. Water surface wave Which of the following are examples of electromagnetic waves?

<p>1 and 3 (D)</p> Signup and view all the answers

Consider these statements below:

  1. Mechanical wave
  2. Electromagnetic wave
  3. Its propagation direction is parallel with its vibration direction
  4. Its propagation direction is perpendicular with its vibration direction. Which statements relate to sound waves?

<p>1 and 4 (D)</p> Signup and view all the answers

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Study Notes

Physics Test - Vibration and Wave

  • Question 1: Correct statements about vibration are: one-direction motion is incorrect; back and forth motion is correct; movement with uniform period is correct. The correct answers are 2 and 3.

  • Question 2: The number of full vibrations per second is called frequency.

  • Question 3: To make the period of a pendulum swing faster, reduce the length of the rope or increase the angle of deviation.

  • Question 4: Examples of electromagnetic waves are light waves and radio waves.

  • Question 5: The correct statements relating to sound waves are: mechanical waves; and electromagnetic waves have vibration direction and propagation direction are parallel. The correct combination is 2 and 4.

  • Question 6: Analyzing wave characteristics (X, Y, and Z):

    • Amplitude of X is the greatest.
    • Periods of X and Y are the same.
    • Frequency of Z is greater than Y.
    • Period of Z is greater than X.
    • Frequency of X is the greatest.

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