Question

Assertion : Propagation of light through an optical fibre is due to total internal reflection taking place at the core-clade interface.
Reason : Refractive index of the material of the core of the optical fibre is lesser than of air.

a) Both Assertionand Reason are correct and Reason is the correct explanation of Assertion.

b) Both Assertionand Reason are correct, but Reason is not the correctexplanation of Assertion.

c) Assertion is correct but Reason is incorrect.

d) Assertion is incorrect but Reason is correct​

Answer 1

Answer:

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b) option is correct .. .. .. .. ..