Understanding Sound and Vibrations

What is a vibration?

• A continuous sound

• A rapid back-and-forth motion

• A type of wave

• A change in temperature

Which of the following is an example of vibration?

• A drum skin being struck

• A car moving

• Water flowing

• A light bulb glowing

What type of wave is produced by vibrations?

• Electromagnetic wave

• Longitudinal wave

• Transverse wave

• Both B and C

Which instrument primarily demonstrates vibrations?

• Violin

• Flute

• Trumpet

• Piano

What factor affects the frequency of a vibration?

• The temperature of the environment

• The mass of the vibrating object

• The tension in the object

• All of the above

When an object vibrates, what does it produce?

• Light

• Sound

• Heat

• Magnetism

What is the unit of frequency?

• Joules

• Meters

• Hertz

• Newtons

Which type of material can dampen vibrations?

• Metal

• Wood

• Foam

• Glass

What phenomenon is created when two vibrations of slightly different frequencies interfere?

• Echo

• Beat

• Harmony

• Noise

What does a tuning fork demonstrate?

• Vibration and resonance

• Sound intensity

• Pitch only

• Echo