two essential condition for internal reflection?
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ĀÑSWĒR ⏬⏬
⭕The index of refraction must decrease across the boundary in the direction of light refraction.
⭕The angle of incidence of the light ray must exceed the critical angle of the interface.
________⭐⭐⭐⭐
✌✌✌
#NO.1 HARYANVI ♠
⭕The index of refraction must decrease across the boundary in the direction of light refraction.
⭕The angle of incidence of the light ray must exceed the critical angle of the interface.
________⭐⭐⭐⭐
✌✌✌
#NO.1 HARYANVI ♠
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