Question

Answer it fast before 9 am.

3. If critical angle for yellow color light for glass - air media is 42°, then critical angle for red color light will be .......... *

(a)=42
(b)> 42°
(c)< 42°
(d)None of these​

Answer 1

Answer:

it will be less than 42°

Explanation:

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please mark as brainliest answer

Answer 2

Answer:

b option is wright for your question