Condition for no deviation when light travels from one medium to another is a) angle of incidence is zero (b) refractive index of two media must be same

Condition for no deviation when light travels from one medium to anoth

1.	Condition for no deviation when light travels from one medium to another is a) angle of incidence is zero (b) refractive index of two media must be same
Answer» a is only true B is only true a &b are both false a & b are both true Answer :D