Question

the frequency of a source of sound is 300 Hz . find the number of times it vibrates in 2 minutes . find time period of sound wave​

Answer 1

Answer:

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no. of times it vibrates in 1 second=300

no. of times it vibrates in 1 second=300therefore, no. of times it vibrates in 2 minutes (120 seconds)=

no. of times it vibrates in 1 second=300therefore, no. of times it vibrates in 2 minutes (120 seconds)=300 \times 120 = 36000300×120=36000