The vibration of an air column produces the sound in the<...
The vibration of an air column produces the sound in the
piano
guiter
flute
school handbell
Correct answer is C
No explanation has been provided for this answer.
Two metals P and Q of length l1 and l2 are heated through the same temperature difference. If the ra...
A quantity of steam at 100°C condenses to water at the same temperature by releasing 6.9 x 104J ...
If a positively charged glass-rod is used to charge an electroscope X by contact and an electroscope...
An elevator of mass 4800kg is supported by a cable which can safely withstand a maximum tension of 6...
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Body floats in fluid when its …………………...
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Refraction of lights differs from reflection in that, in refraction i. at least two media are involv...
If a charged ion goes through combined electric and magnetic fields, the resultant emergent velocity...
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