EASY
8th CBSE
IMPORTANT
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The time taken by an object to complete one oscillation is called .

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Important Questions on Sound

EASY
8th CBSE
IMPORTANT
The shrillness of a sound is determined by the _____ of vibration.
EASY
8th CBSE
IMPORTANT
Unpleasant sound is called _____.
EASY
8th CBSE
IMPORTANT
Sound which is pleasing to the ear is called _____ sound. (muscial/unpleasant)
EASY
8th CBSE
IMPORTANT
A person having partial hearing loss can hear properly by wearing a device called hearing _____ on the ear.
EASY
8th CBSE
IMPORTANT
What is the name of the strings in the human voice box which vibrate to produce sound?
EASY
8th CBSE
IMPORTANT
What is the name of the strings in the human voice box which vibrate to produce sound? What makes these strings vibrate?
MEDIUM
8th CBSE
IMPORTANT
Describe how sound is produced by the human voice box (or larynx).
EASY
8th CBSE
IMPORTANT
What is the frequency of the sound produced when the vocal cords are: tight and thin?