EASY
Earn 100

All animals also communicate in the human audible frequency range.

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Important Questions on Sound

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Will the sound having a frequency of 10000 hertz can be heard by human beings or not?    

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When we shake our hands, it disturbs air particles and vibrates them. We do not hear this, why?
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What are infrasonic vibrations? What is their range in hertz?
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Which of the following frequency of sound can be generated by a vibrating simple pendulum as well as by the vibrating vocal cords of a rhinoceros?

EASY

Will the sound having a frequency of 6 hertz can be heard by human beings or not?  

HARD
What is audible range of sound?
EASY

Will the sound having a frequency of 35000 hertz can be heard by human beings or not?   

EASY
Give the range of ultrasonic vibrations. State two medical uses of ultrasonic vibrations
MEDIUM
Why does a vibrating simple pendulum not produce any sound?
EASY
Out of the following frequencies, which one can we hear better?
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Which of the following sound frequencies can be heard by a woman having a normal hearing range?

A. 25000 Hz B. 15 KHz C. 4000 Hz D. 25 Hz

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Will the sound having a frequency of 5000 hertz can be heard by human beings or not?   

EASY

Write the quadrants in which the following points lie:

-4,7

EASY

Which of the following frequency of sound can be heard by a dog but not by a man?

(a) 50,000 hertz

(b) 15,000 hertz

MEDIUM
To what special use can a Galton whistle be put to?
MEDIUM
Sounds with frequencies greater than 20,000 Hz are known as ultrasounds.
EASY
Vibrations of frequency between 20 Hz to 20,000 Hz are called:
EASY
Give two uses of ultrasonic vibrations in the industry.
HARD
Differentiate between audible and inaudible sounds.
EASY

Will the sound having a frequency of 18 kHz can be heard by human beings or not?