Two identical wires are stretched by the same tension of 101 N and each emits a note of frequency 202 Hz. If the tension in one wire is increased by 1 N, then the beat frequency is:

# Two identical wires are stretched by the same tension of 101 N and each emits a note of frequency 202 Hz. If the tension in one wire is increased by 1 N, then the beat frequency is:

1. A

2 Hz

2. B

$\frac{1}{2}\mathrm{Hz}$

3. C

1 Hz

4. D

none of these

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