3. Waves Flashcards by Diya Kanani | Brainscape

Q

When does total internal reflection occur?

A

n2 > n1
Q1 > critical angle for boundary

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Q

When is refraction always towards the normal?

A

When n2 > n1

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Q

When does refraction occur at the normal?

A

critical angle n1 > n2
Q1 = critical angle for the boundary

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