Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:
What is the geometrical shape of the wavefront in the following?
A beam of parallel rays :
Options:
Spherical
Cylindrical
Planar
none.
Correct Answer:
Planar
Explanation:
As the locus of all points vibrating in the same phase lies on a plane, it is a case of Planar Wavefront.