For without deviation A′AA′15∘A′15A′=μ−1μ′−1=1.5−11.75−1=0.500.75=0.750.50×15=10∘
A thin prism of angle 15° made of glass of refractive index μ_1=1.5 is combined with another prism of glass of refractive index μ_2=1.75. The…
NEET UG 2011 — Physics Optics
2011mcqmedium
A thin prism of angle 15∘ made of glass of refractive index μ1=1.5 is combined with another prism of glass of refractive index μ2=1.75. The combination of the prism produces dispersion without deviation. The angle of the second prism should be
Official previous-year question
Held on 30 Apr 2011 · Verified 9 Jul 2026.
Options
- A
7∘
- B
10∘
- C
12∘
- D
5∘
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