A sound wave has wavelength

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

Problem

0.80\,\text{m}

. Which separation between two points along the line of propagation will make them always vibrate in phase? (a)

0.40\,\text{m}

(b)

1.20\,\text{m}

(c)

0.80\,\text{m}

(d)

0.60\,\text{m}