AP EAMCET · PHYSICS · Ray Optics
Assertion (A) Propagation of light through an optical fibre is due to total internal reflection taking place at the core-clad interface.
Reason (R) Refractive index of the material of the core of the optical fibre is greater than that of air.
- A both (A) and (R) are true and (R) is the correct explanation of (A)
- B both (A) and (R) are true but (R) is not the correct explanation of (A)
- C (A) is true but (R) is false
- D (A) is false but (R) is true
Answer & Solution
Correct Answer
(B) both (A) and (R) are true but (R) is not the correct explanation of (A)
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