In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations `delta_(m)` and angle of pri

Question

In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations `delta_(m)` and angle of pri

In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations `delta_(m)` and angle of prism r will be correct?
A. `delta_(m)=r`
B. `delta_(m)=1.5r`
C. `delta_(m)=2r`
D. `delta_(m)=r/2`

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - A
(a) Angle of minimum deviation in prism,
`delta_(m)=(µ-1)A=(µ-1)(2r) (thereforer=A//2)`
`=(1.5-1)(2r)=0.5xx2r=r`

6 views Answered 2023-02-05 15:29