Two identical wires are stretched by the same tension of and each emits a note of…

PHYSICS · Single correct · CBSE · Physics · Waves · Waves

Problem

Two identical wires are stretched by the same tension of

100\,\mathrm{N}

and each emits a note of frequency

200\,\mathrm{Hz}

. If the tension in one wire is increased by

1\,\mathrm{N}

, then the beat frequency is (1)

2\,\mathrm{Hz}

(2)

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

(3)

1\,\mathrm{Hz}

(4) None of these