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Standard XII

Physics

Time Period Independent of Amplitude

Two tuning fo...

Question

Two tuning forks when sounded simultaneously give one beat each 0.4 second. What is the difference of the frequencies ?

1 Hz

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1.5 Hz

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2 Hz

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2.5 Hz

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Solution

The correct option is C 2.5 Hz
Given:

One beat is produced in 0.4 secs

Frequency difference between the two tuning forks

$f = \frac{1}{0.4 sec} = 2.5 H z$

Hence, frequency is 2.5hz

Correct answer (D)

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Two tuning forks when sounded simultaneously give one beat each 0.4 second. What is the difference of the frequencies ?

The correct option is C 2.5 HzGiven: One beat is produced in 0.4 secs Frequency difference between the two tuning forks f=10.4sec=2.5Hz Hence, frequency is 2.5hz Correct answer (D)

The correct option is C 2.5 Hz
Given:

One beat is produced in 0.4 secs

Frequency difference between the two tuning forks

$f = \frac{1}{0.4 sec} = 2.5 H z$

Hence, frequency is 2.5hz

Correct answer (D)