For dispersion without deviation
(μ−1)A+(μ′−1)A′=0
∣(μ−1)A∣=∣(μ′−1)A′∣
(1.42−1)×10o=(1.7−1)A′
4.2=0.7A′
A′=6o
A thin prism having refracting angle 10^o is made of glass of refractive index 1.42. This prism is combined with another thin prism made of glass of…
NEET UG 2017 — Physics Optics
2017mcqhard
A thin prism having refracting angle 10o is made of glass of refractive index 1.42. This prism is combined with another thin prism made of glass of refractive index 1.7. This combination produces dispersion without deviation. The refracting angle of second prism should be
Official previous-year question
Held on 30 Apr 2017 · Verified 9 Jul 2026.
Options
- A
4o
- B
6o
- C
8o
- D
10o
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