A wave front is imaginary surface where a) Phase is same for all points b) Phase changes at constant rate at all points along the surface c) Constant phase difference continuously changes between the points d) Phase changes all over the surface

In a standing wave the phase difference between two points on either side of a a node will be

When two waves with same frequency and constant phase difference interfere,

What is the minimum distance between two points in a wave having a phase difference 2pi ?

The change in phase, if a wave is reflected at a less dense surface, is

What is the phase difference between any two points lying on the same wavefront

Waves of wavelength lamda are generated on the water surface. The phase difference between two points at a distance of lamda is

The change in phase if a wave is reflected from a rigid surface is

Statement I:In a progressive logitudinal wave, the amplitude of the wave will not be the same at all points of the medium along the direction of motion of the wave. Statement II: there is a continuous change of the phase angle of the wave as it progressive in the direction of motion.

A sound wave of frequency 100 Hz is travelling in air. The speed of sound in air is 350 ms^-1 (a) By how much is the phase changed at a given point in 2.5 ms ? (b) What is the phase difference at a given instant between two points separated by a distance of 10.0 cm along the direction of propagation ?

A body moves along an uneven horizontal road surface with constant speed at all points. The normal reaction of the road on the body is