Critical angle of glass is 42 .what does it mean? Question Critical angle of glass is 42 .what does it mean? in progress 0 Physics Thành Đạt 5 years 2021-08-11T23:16:27+00:00 2021-08-11T23:16:27+00:00 1 Answers 26 views 0
Answers ( )
Answer:
i think..its fraction that its have multiple fractions on it..if you minus the 397 000-355 it should be 381+ so i say if you get the 5 multiply it by 9!! so you will get it!
Explanation:
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