Q 12-10-056JEE MainJEE Main 2024 (5 Apr, Shift 1)Easy
Light emerges out of a convex lens when a source of light is kept at its focus. The shape of the wavefront of the light is
Answer: (B) plane
A point source at the focus gives a parallel beam after the lens. The wavefronts of a parallel beam are plane.
Solution by Sreeraj P, M.Sc Physics