The video tutorial explains how waves transfer energy without moving matter, using examples like the Mexican wave. It covers key wave properties such as frequency, period, wavelength, and amplitude. The tutorial also discusses wave speed and the difference between transverse and longitudinal waves, highlighting how particles vibrate in each type.

What is the primary characteristic of waves that allows them to transfer energy without moving matter?

• They require a solid medium to travel.

• They change the temperature of the medium.

• They create a series of disturbances or vibrations.

• They move in a straight line.

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How is the frequency of a wave defined?

• The time it takes for one complete wave cycle.

• The height of the wave from its undisturbed position.

• The distance between two peaks of a wave.

• The number of complete waves passing a fixed point in a given time.

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What is the symbol for wavelength?

• V

• λ

• T

• F

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Which of the following is true about the period of a wave?

• It is the height of the wave from its undisturbed position.

• It is the distance between two troughs of a wave.

• It is the time taken for one complete wave cycle.

• It is the number of waves passing a point per second.

What does the amplitude of a wave measure?

• The number of waves passing a point per second.

• The time taken for one complete wave cycle.

• The distance between two peaks of a wave.

• The height of the wave from its undisturbed position.

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How is the speed of a wave calculated?

• By subtracting the period from the frequency.

• By adding the amplitude to the wavelength.

• By multiplying the frequency by the wavelength.

• By dividing the wavelength by the frequency.

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In longitudinal waves, how do the particles vibrate?

• Parallel to the direction of energy travel.

• At 90 degrees to the direction of energy travel.

• In a circular motion.

• Randomly in all directions.

What are the areas called where particles are bunched together in a longitudinal wave?

• Rarefactions

• Crests

• Troughs

• Compressions

In transverse waves, how do the particles move?

• At 90 degrees to the direction of energy travel.

• Parallel to the direction of energy travel.

• Randomly in all directions.

• In a circular motion.

Which type of waves are used to show wavelength and amplitude?

• Longitudinal waves

• Sound waves

• Mechanical waves

• Transverse waves

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