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Which among the following is the frequency of sound used by bats to communicate?

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Important Questions on Sound

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Science>Physics>Sound>Range of Hearing
The properties of ultrasound that makes it useful are:
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Science>Physics>Sound>Range of Hearing
The produced rays in sonography are
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Science>Physics>Sound>Range of Hearing

Complete the sentence:

Elephants produce _____ sound.

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Science>Physics>Sound>Range of Hearing
Select the properties of ultrasonic sound waves from the following.
MEDIUM
Science>Physics>Sound>Range of Hearing
Assertion: Ultrasonic sound is used in industry for detecting flaws (cracks etc) in metal blocks without damaging them.
Reason: An internal crack (or hole) does not allow ultrasound to pass through it.
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Science>Physics>Sound>Range of Hearing
Using the ultrasound scanner, the ultrasonic waves travel through the tissues of the body and get reflected from a region where there is a change of tissue _____________.
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Science>Physics>Sound>Range of Hearing
A man can hear the sound of the frequency:
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Science>Physics>Sound>Range of Hearing

Complete the sentence :

Ultrasound is of frequency _____ .

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Science>Physics>Sound>Range of Hearing
Ultrasound of how much frequency is beamed into human body for sonography?
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Science>Physics>Sound>Range of Hearing
__________________ is used for examination of the foetus during pregnancy to detect congenial defects and growth abnormalities.
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Science>Physics>Sound>Range of Hearing

Which of the following are used to study the growth of foetus inside the mother's womb ?

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Science>Physics>Sound>Range of Hearing
Dolphins, bats, and porpoise use:
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Science>Physics>Sound>Range of Hearing
Ultrasonic waves are made to reflect from various parts of the heart and form the image of the heart. This technique is called ____________________.
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Science>Physics>Sound>Range of Hearing
SONAR makes use of:
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Science>Physics>Sound>Range of Hearing

Complete the sentence:

Infrasonic sound is of frequency_____.

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Science>Physics>Sound>Range of Hearing
In ultrasonography,
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Science>Physics>Sound>Range of Hearing

The good directional property of ultrasound waves are used for _____.

(magnification/scanning)

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Science>Physics>Sound>Range of Hearing

Complete the sentence:

Bats can produce and hear _____ sound.

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Science>Physics>Sound>Range of Hearing
Ultrasound is _______________ back from the defective locations inside a metal block.
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Science>Physics>Sound>Range of Hearing
Ultrasonic waves gets _____ if there is a flaw or cracks in a metal body.