Introduction to Waves

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Question 1

What is a wave?

  • A movement of particles from one place to another permanently

  • A disturbance that transfers energy without net movement of matter

  • A transfer of matter without energy

  • A stationary vibration with no energy transfer

Question 2

In a transverse wave, the particles of the medium vibrate:

  • Parallel to the direction of wave propagation

  • At right angles to the direction of wave propagation

  • Randomly in all directions

  • Along a circular path

Question 3

Which of the following is an example of a longitudinal wave?

  • Light wave

  • Radio wave

  • Sound wave

  • Water ripple

Question 4

The highest point of a transverse wave is called:

  • Trough

  • Compression

  • Crest

  • Rarefaction

Question 5

Electromagnetic waves can travel through:

  • Solids only

  • Liquids only

  • Gases only

  • Vacuum and material media

Question 6

The distance between two successive crests of a wave is called:

  • Amplitude

  • Frequency

  • Wavelength

  • Period

Question 7

The SI unit of frequency is:

  • Meter (m)

  • Second (s)

  • Hertz (Hz)

  • Joule (J)

Question 8

If the frequency of a wave is 20 Hz, its period is:

  • 20 s

  • 10 s

  • 0.05 s

  • 0.5 s

Question 9

What happens during reflection of a wave?

  • Wave bends while entering another medium

  • Wave spreads around an obstacle

  • Wave bounces back into the same medium

  • Wave disappears completely

Question 10

Standing waves are formed due to the interference of:

  • Two waves moving in the same direction

  • Two waves of different frequencies

  • Two waves traveling in opposite directions with the same frequency and amplitude

  • Light and sound waves together

Tags:
Physics

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