Characteristics of Sound

What do dolphins and porpoise use

• Ultrasound

• Infrasound

• Both a and b

• None of them

Children under the age of 5 can hear up to

• 25 Hz

• 25 kHz

• 20 Hz

• 20 KHz

Which characteristic is this? We can distinguish between sound having same pitch and loudness.

• Tone

• Note

• Pitch

• Timber

Which of the following statement is correct?

• Pitch of the sound increases with increase in frequency

• Pitch of the sound decreases with increase in frequency

2. Which characteristic of sound helps us to understand that a woman’s voice is more shriller than a man's voice.

• Quality

• Loudness

• Pitch

• None of the above

Large amplitude of sound vibrations will produce:

• Slow sound

• Loud sound

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

• Quality

• Loudness

• Pitch

• none

Pitch or shrillness of sound depends on

• amplitude of vibrations

• frequency

• both (a) and (b)

• none of these

The loudness does not depend on

• frequency

• amplitude

• area of vibrating body

• distance between the source and listener

Bats use _____ for navigation and location of food in the dark.

• Infrasonic sound

• Ultrasonic Sound