Ncert Exercises & Solutions

For light diverging from a point source:

(a)	the wavefront is spherical.
(b)	the intensity decreases in proportion to the distance squared.
(c)	the wavefront is parabolic.
(d)	the intensity at the wavefront does not depend on the distance.

Choose the correct option:

1.	(a), (b)	2.	(a), (c)
3.	(b), (c)	4.	(c), (d)