QUIZ TOPIC 1 & TOPIC 2

What type of wave is a sound wave?

• Transverse wave

• Longitudinal wave

• Electromagnetic wave

• Surface wave

Sound waves can travel through a vacuum.

• True

• False

Sound waves require a medium to propagate.

• True

• False

What is the unit of frequency?

• Hertz (Hz)

• Hertz (Hz)

• Meters per second (m/s)

• Joules (J)

The frequency of a sound wave is directly related to its pitch.

• True

• False

Which of the following frequencies is within the range of human hearing?

• 10 Hz

• 100 Hz

• 10,000 Hz

• 100,000 Hz

What is the speed of sound in air at room temperature (20°C)?

• 300 m/s

• 343 m/s

• 380 m/s

• 400 m/s

The speed of sound is faster in water than in air.

• True

• False

What factors affect the velocity of sound?

• Temperature

• Medium

• Humidity

• All of the above

How is wavelength defined in the context of sound waves?

• The number of waves that pass a point in one second

• The distance between two consecutive points in phase

• The height of the wave

• The time it takes for one wave to pass