The figure shows a surface XY separating two transparent media, medium–1 and medium–2 …
Physics · JEE Advanced · NTA Exams — Optics
The figure shows a surface XY separating two transparent media, medium–1 and medium–2 . The lines ab and cd represent wavefronts of a light wave travelling in medium–1 and incident on XY. The lines ef and gh represent wavefronts of the light wave in medium–2 after refraction.
Light travels as a

- parallel beam in each medium
- convergent medium
- divergent beam in each medium
- divergent beam in one medium and convergent beam in the other medium.
Answer
(A) parallel beam in each medium
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