sound

what is sound ?

• sound is form of energy white is emitted by vibration of body or an object.

• sound is from of energy.

• sound is not formed by vibration

what is source of sound ?

• the bodies which vibrate and produces section to ears called source of sound.

• the physical factors or bodies vibrate and produces sensation to ears.

• radio,television

how is sound produced?

• sound is produced when a body vibrates

• sound is produced with energy

• sound is produced by force of moving body

Which is rarefaction?

• red collard one

• green collard one

What is wave ?

• a disturbance .

• a disturbance or variation that transfers energy progressively from point to point in a medium .

• a energy.

• the distance between successive crests of a wave.

What is wave motion?

• matter .

• the transfer of energy and momentum from one point of the medium to another point of the medium without actual transport of matter between two points.

• the distance between successive crests of a wave.

• transfer of energy.

What type of waves are Sound Waves?

• Latitudinal waves

• Longitudinal waves

• Latitudinal mechanical waves

• Longitudinal waves

What is the speed of sound in air?

• 330 m/s

• 332 m/s

• 334 m/s

• 336 m/s

What will be the effect of temperature on speed of sound?

• The speed of sound decreases with the increases of temperature of the medium.

• The speed of sound decreases with the decrease of temperature of the medium.

• The speed of sound increases with the decrease of temperature of the medium.

• The speed of sound increases with the increase of temperature of the medium.

Name the characteristic of the sound which distinguishes a sharp sound from a grave or dull sound?

• Intensity

• Intensity

• Pitch

• Resonance