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QJEEM21Phafff: JEE Main 2021 Physics - Class 12 JEEM21Phafff Solution: The angle of deviation through a prism is minimum when (A)…
The angle of deviation through a prism is minimum when
(A) Incident ray and emergent ray are symmetric to the prism.
(B) The refracted ray inside the prism becomes parallel to its base
(C) Angle of incidence is equal to that of the angle of emergence
(D) When angle of emergence is double the angle of incidence
Choose the correct answer from the options given below :
(A) Incident ray and emergent ray are symmetric to the prism.
(B) The refracted ray inside the prism becomes parallel to its base
(C) Angle of incidence is equal to that of the angle of emergence
(D) When angle of emergence is double the angle of incidence
Choose the correct answer from the options given below :
Multiple Choice Options
- A Statements (B) and (C) are true
- B Only statements (A) and (B) are true
- C Statements (A), (B) and (C) are true
- D Only statement (D) is true
Step-by-Step Verified Solution
Deviation is minimum in prism when :
i = e, r1 = r2 and ray inside prism is parallel to base of prism.