Question

Question 10.
The critical angle for glass - air is 45 degree for the light of yellow colour. State whether it will be less than
equal to or more than 45 degree for í) red ii) Indigo
i) Equal to 45 ii) Less than 45
O i) Equal to 45 ii) More than 45
i) More than 45 ii) Less than 45
O i) L ss than 45 ii) More than 45
ОО

Answer 1

Explanation:

i) More than 45 ii) Less than 45