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Mechanical Properties of Fluids
Question
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Is the law of conservation of energy violated in interference?

Answer

No, the law of conservation of energy is not violated in interference.
The energy that disappears at minima appears at maxima.
In interference, it is just the redistribution of energy which takes place.

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Some More Questions From Mechanical Properties of Fluids Chapter

Define longitudinal wave motion.

Which of the two waves - elastic waves or electromagnetic waves does need any material media for its propagation?

What is sound?

How sound is produced?

Can sound travel in vacuum?

Can two persons hear each other on the moon? Explain.

Can electromagnetic wave propagate in vacuum?

Can we listen in vacuum?

Which of the two moves forward during wave motion - particle or disturbance?

What type of wave is sound wave when it travels in air?