Question

Wave front means:

• A. all particles in it have same phase
• B. few particles are in same phase, rest are in opposite phase
• C. all particles have opposite phase of vibrations
• D. all particles have random vibrations

Answer 1

The correct option is A all particles in it have same phase

All particles in it have same phase.

It is the imaginary surface representing corresponding points pf a wave that vibrate in unison. When identical waves having a common origin travel through a homogeneous medium , the corresponding crests and troughs at any instant phase.