Example 1 · difficulty 2/5
A ray of light travels from a transparent medium of refractive index √2 into air. The critical angle for the medium–air interface is:
- A. 30°
- B. 60°
- C. 45°
- D. 90°
Current-syllabus practice · Physics
mirrors, lenses, refraction, optical instruments and sign-convention discipline.
These are current-syllabus NeetVellum questions, shown separately from historical-paper provenance.
Example 1 · difficulty 2/5
Example 2 · difficulty 3/5
Example 3 · difficulty 3/5
NeetVellum currently publishes 250 original, verified questions across the linked canonical chapter.
Attempt questions before rereading, classify each miss, repair the specific concept, and re-practice after a delay until the error pattern disappears.