Question
Physics Question on Ray optics and optical instruments
When light propagates through a given homogeneous medium, the velocities of
A
Primary wavefronts are lesser than those of secondary wavelets
B
Primary wavefronts are greater than or equal to those of secondary wavelets.
C
Primary wavefronts and wavelets are equal
D
Primary wavefronts are larger than those of secondary wavelets
Answer
Primary wavefronts are greater than or equal to those of secondary wavelets.
Explanation
Solution
The correct answer is (B) : Primary wavefronts are greater than or equal to those of secondary wavelets.