MHT CET Physics question
Which of the following statement(s) is/are correct? I. A point source emitting waves uniformly in all directions. II. In spherical wave, the locus of point which have the same amplitude and vibrate in same phase are spheres. III. At a small distance from the source, a small portion of sphere can be considered as plane wave.
Answer: (B)
Solution
A point source emits spherical waves uniformly in all directions (I) and the surfaces of equal amplitude and phase are spheres (II), but a
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