Sound and Polynomials

The correct relationship between velocity, wavelength, and frequency is

• f=v/λ

• f=vXλ

• f=λ/v

• λ=f/v

Material waves are also referred to as

• elastic waves

• mechanical waves

• electromagnetic waves

• light waves

For sound to travel through a medium, it should be

• elastic

• inelastic

• possessing inertia

• having negligible frictional resistance

Vibrations with lower frequency have a

• bass effect

• loud effect

• shrill effect

• feeble effect

Sound can travel through

• vacuum

• solids

• CO₂

• water

When a wave propagates through a medium what gets transferred?

• energy

• particles of the medium

• both particles and energy

• none of these

Which of the following is true for a wave

• particle velocity is always greater than wave velocity

• wave velocity is always greater than particle velocity

• particle velocity is independent of wave velocity

500 waves cross a particular point in a medium, the time period of this wave is

• 0.02 s

• 0.002 Hz

• 0.0002 s

• 0.002 s

The distance between compression and rarefaction of a sound wave is 5m, and it is travelling with a speed of 320m/s.

• The sound is audible

• The vibrations are infrasonic and cannot be heard

• The vibrations are ultrasonic and cannot be heard

• The vibrations are supersonic

For the given wave, the amplitude is

• 2 cm

• 4 cm

• 10 cm

• 20 cm