when the angle of incidence is a denser medium is equal to critical angle-
1)0°
2)30°
3)90°
4)60°
Answers
Answered by
0
Answer:
The right answer is 90°
Similar questions
Math,
7 months ago
Social Sciences,
7 months ago
Math,
1 year ago
Biology,
1 year ago
Political Science,
1 year ago