Sound

Which of the following waves does not require any kind of medium to propagate ?

• Sound waves

• Earthquake waves

• Light waves

• Water surface waves

Propagation of wave transfers

• Energy only

• matter only

• both energy and matter

• none of these

Waves produced on the surface of water are :

• Longitudinal only

• Transverse waves only

• Electromagnetic waves

• Both Longitudinal and Transverse

In a longitudinal waves, the particles vibrate in a ________ direction of propagation.

• parallel

• perpendicular

• curved

• both parallel and perpendicular

The number of oscillations completed in one second is called ______

• time period

• velocity

• frequency

• wavelength

What type of sound waves can propagate in solids?

• Transverse waves
• Electromagnetic waves
• Radio waves
• Longitudinal waves

The time period taken to complete one oscillation is called ______

• Amplitude
• Frequency
• Time Period

• Wavelength

The period of a vibrating body of frequency 100 Hz is

• 100 second

• 10 second

• 0.1 second

• 0.01 second

The SI unit of wavelength is

• Meter
• Second
• Kilogram
• Ampere

The quantity 1/λ is known as

• wave velocity

• frequency

• wavelength

• wave number