M5 Physics FINAL SEM 1

The Pitch of the sound is determined by the

• Amplitude

• frequency

• Intensity

• Wavelength

Speed of the sound is maximum in

• Vaccum

• Gases

• Liquids

• Solids

Sound is a ............................... wave.

• Standing

• pulse

• longitudinal

• transverse

Speed of the sound is in air and in vaccum is ................ and ...............

• 1480 m/s and

  3*10^8m/s

• 330m/s and

  0m/s

• 450m/s and 25m/s

If the frequency of the sound is below 20 hz, it is known as .........................

• Audible

• infrasonic

• ultrasonic

• none

Frequency range of a Audible sound waves are.......................

• 0 to 20 Hz

• above 20000Hz

• 20 Hz to 20000Hz

The frequency of sound waves is 50 Hz and its wave length is 4m.

what is the distance travelled by the wave in 3 sec?

• 100m

• 600m

• 200m

• 300m

...................................is unit of intensity of the sound waves.

• Frequency

• Amplitude

• Power

• decibel

Lable the regions of compression with letters

A female vocalist with a saprano voice can sing aas high as 1000Hz.

Given that the speed of sound is 345m/s,

what is the wavelength of the sound?