Understanding Sound Waves

What type of wave is a sound wave?

• Mechanical wave

• Electromagnetic wave

• Gravitational wave

• Transverse wave

What determines the loudness of a sound?

• Amplitude

• Wavelength

• Speed

• Frequency

Which type of sound wave involves oscillation of particles parallel to the direction of wave propagation?

• Longitudinal wave

• Transverse wave

• Electromagnetic wave

• Surface wave

What is the unit of frequency?

• Hertz (Hz)

• Decibel (dB)

• Meter (m)

• Second (s)

What does a higher frequency correspond to in terms of pitch?

• Higher pitch

• Lower pitch

• No change in pitch

• Variable pitch