a
a dense medium to a less dense medium
b
air to water
c
water to glass
d
a less dense to a dense medium
Explanation
Correct Option
aVideo Explanation
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Discussions (38)
tyjesma
11 years ago
Option B, C & D all meant the same thing.. I.e (from a less dense medium to a dense medium)
AmericanReal
6 years ago
The answer is A pls cos that's one of the conditions 4 total internal reflection to occur
