Two sound waves each of amplitude and the same frequency arrive at a point with a…

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

Problem

Two sound waves each of amplitude

2.0\,\text{cm}

and the same frequency arrive at a point with a phase difference of

60^{\circ}

. What is the amplitude of the resultant vibration at that point? (a)

4.0\,\text{cm}

(b)

1.0\,\text{cm}

(c)

3.5\,\text{cm}

(d)

2.0\,\text{cm}