EASY
Earn 100

Define ultra and infrasonic sounds.

Important Questions on Sound

EASY
Science>Physics>Sound>Range of Hearing
Which of the following animal produce ultrasound?
MEDIUM
Science>Physics>Sound>Range of Hearing
Consider the following statements and select the correct alternative: Statement (A): The frequency of the sound wave whose wave length is 1.5 cm with speed 339 m/s is 22600 Hz. Statement (B): The given sound is audible to human beings.
EASY
Science>Physics>Sound>Range of Hearing
Animals like dolphin produce
EASY
Science>Physics>Sound>Range of Hearing
Which animal does not use the method of echolocation?
EASY
Science>Physics>Sound>Range of Hearing
What are inaudible sounds?
EASY
Science>Physics>Sound>Range of Hearing
What is meant by ultrasonography?
EASY
Science>Physics>Sound>Range of Hearing
Explain how ultrasound can be used as an effective cleaning agent.
MEDIUM
Science>Physics>Sound>Range of Hearing
What are ultrasonics? Can you hear the ultrasonic sound?
EASY
Science>Physics>Sound>Range of Hearing
Although sound is produced due to repeated vibratory motion yet a vibrating pendulum does not produce sound? Why?
EASY
Science>Physics>Sound>Range of Hearing
Define infrasonic sounds.
MEDIUM
Science>Physics>Sound>Range of Hearing
Explain how a bat catches its prey in the dark.
EASY
Science>Physics>Sound>Range of Hearing
What are audible sounds?
EASY
Science>Physics>Sound>Range of Hearing
What are ultrasonic waves?
EASY
Science>Physics>Sound>Range of Hearing
What is infrasound? Name some animals communicating through the infrasound.
EASY
Science>Physics>Sound>Range of Hearing
Sound whose frequency is below 20 Hz is called _____.
EASY
Science>Physics>Sound>Range of Hearing
Name two animals which can hear sounds with frequency beyond 20000 Hz.
EASY
Science>Physics>Sound>Range of Hearing
What is the audible range of the human ear?
EASY
Science>Physics>Sound>Range of Hearing
Explain why children under the age of five can hear sounds up to 25 kHz but adults cannot.
EASY
Science>Physics>Sound>Range of Hearing
Cotyledons are also called-
EASY
Science>Physics>Sound>Range of Hearing

Give reasons for the following:

We cannot hear any sound on vibrating our hands forward and backwards.