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Q. These waves cannot be transmitted through vacuum.
Sound waves cannot travel in the vacuum of space because there is no medium to transmit these mechanical waves.
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Q. One unit of electrical energy equals ?
Q. Who is known as the 'father of quantum theory'?
Q. Depth of ocean is measured by
Q. It is easy to burst a gas-filled balloon with a needle than with a nail. It is because
Q. In a nuclear reactor, one of the following is used as a fuel.
Q. Sun appears red in colour at sunrise and sunset due to
Q. Thermoelectric current produced is large when
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