Quiz on Sound and Waves

Sound is produced by:

• Flowing water

• Vibrating objects

• Light waves

• Chemical reactions

Sound waves are:

• Transverse waves

• Longitudinal waves

• Electromagnetic waves

• None of these

The speed of sound is maximum in:

• Air

• Water

• Vacuum

• Solids

The SI unit of frequency is:

• Hertz

• Newton

• Decibel

• Joule

Sound cannot travel in:

• Solids

• Liquids

• Gases

• Vacuum

The time taken for one complete oscillation is called:

• Frequency

• Amplitude

• Time period

• Wavelength

The loudness of sound depends on:

• Frequency

• Wavelength

• Amplitude

• Speed

Which device is used to measure sound intensity?

• Barometer

• Decibel meter

• Hygrometer

• Thermometer

The human ear can hear sounds between:

• 10 Hz to 10,000 Hz

• 20 Hz to 20,000 Hz

• 100 Hz to 50,000 Hz

• 50 Hz to 1,000 Hz

The phenomenon of sound reflection is called:

• Refraction

• Echo

• Absorption

• Vibration