- 1(current)
Q. No.Two sound waves given by the equations \(y=A\sin 122 \pi t\) and \(y=A\sin 128 \pi t\) pass through a point simultaneously. The number of beats per second is:
| 1. | \(6\) | 2. | \(5\) |
| 3. | \(4\) | 4. | \(3\) |
Subtopic: Beats |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA source of unknown frequency gives \(4\) beats/s when sounded with a source of known frequency of \(250~\text{Hz}\). The second harmonic of the source of unknown frequency gives five beats per second when sounded with a source of frequency of \(513~\text{Hz}\). The unknown frequency will be:
| 1. | \(246~\text{Hz}\) | 2. | \(240~\text{Hz}\) |
| 3. | \(260~\text{Hz}\) | 4. | \(254~\text{Hz}\) |
Subtopic: Beats |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTuning fork \(F_1\) has a frequency of \(256~\text{Hz}\) and it is observed to produce \(6\) beats/second with another tuning fork \(F_2\). When \(F_2\) is loaded with wax, it still produces \(6\) beats/second with \(F_1\). The frequency of \(F_2\) before loading was:
1. \(253~\text{Hz}\)
2. \(262~\text{Hz}\)
3. \(250~\text{Hz}\)
4. \(259~\text{Hz}\)
1. \(253~\text{Hz}\)
2. \(262~\text{Hz}\)
3. \(250~\text{Hz}\)
4. \(259~\text{Hz}\)
Subtopic: Beats |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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