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प्रश्न
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
पर्याय
wax
vacuum
water
empty vessel
उत्तर
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through empty vessel.
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संबंधित प्रश्न
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