Light wave enters from medium 1 to medium 2. Its velocity in \( 2^{\text {nd }} \) medium i....

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Question Light wave enters from medium 1 to medium 2. Its velocity in \( 2^{\text {nd }} \) medium is double from \( 1^{\text {st }} \). For total internal reflection the angle of incidence must be greater than
(A)  \( 30^{\circ} \)
(B) \( 60^{\circ} \)
(C) \( 45^{\circ} \)
(D) \( 90^{\circ} \)📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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