In what condition ray grazes along die surface?
In what condition ray grazes along die surface?
A) ∠i > ∠c
B) ∠i = ∠c
C) ∠i < ∠c
D) ∠i = 0
5 views
In what condition ray grazes along die surface?
A) ∠i > ∠c
B) ∠i = ∠c
C) ∠i < ∠c
D) ∠i = 0