Test Index

AIEEE 2010 Solved Paper

© examsnet.com

Question : 47

Total: 89

An initially parallel cylindrical beam travels in a medium of refractive index µ(I)=µ0+µ2I, where µ0 and µ2 are positive constants and I is the intensity of the light beam. The intensity of the beam is decreasing with increasing radius.
The initial shape of the wavefront of the beam is

convex
concave
convex near the axis and concave near the periphery
planar

Go to Question:

Prev Question

Next Question