If P and Q have different non-zero dimensions, which of the ... — Physics | Mockzy

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If P and Q have different non-zero dimensions, which of the following operation is possible?

P² + Q²

PQ²

P² − Q²

All of these

A wave is represented by y = a sin(At − Bx + C) where A, B, C are constants and

A gas bubble, from an explosion under water, oscillates with a period proportion

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