Question

Which of the following produce a plane wavefront

Answer 1

$\huge \underline \green{\sf{ Answer :- }}$

• In the given options none of sources generates plane wavefront, it can be artificially produced by reflection from a mirror or by refraction through a lens.

Answer 2

Answer:

In the given options none of sources generates plane wavefront, it can be artificially produced by reflection from a mirror or by refraction through a lens.