(A) In optical fibre, the diameter of the core is kept small. ( R) Light ray going form denser to rarer mediun is incident at an angle more than the critical angle required for total internal reflection

(A) In optical fibre, the diameter of the core is kept small. ( R) Li

1.	(A) In optical fibre, the diameter of the core is kept small. ( R) Light ray going form denser to rarer mediun is incident at an angle more than the critical angle required for total internal reflection
Answer» Both A and R are TRUE and R is the correct EXPLANATION of A Both A and R are true and R is not the correct explanation of A A is true and R is false Both A and R is false Answer :A