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Standard VIII

Mathematics

Compound Variation

Two adjacent ...

Question

Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies $n_{1}$ and $n_{2}$ .The number of beats heard per second is

[CPMT 1974, 78; CBSE PMT 1993]

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Solution

The correct option is C

(c)

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Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies n1 and n2.The number of beats heard per second is [CPMT 1974, 78; CBSE PMT 1993]

The correct option is C (c)

Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies $n_{1}$ and $n_{2}$ .The number of beats heard per second is

[CPMT 1974, 78; CBSE PMT 1993]

The correct option is C

(c)