An optical fiber essentially consists of thin transparent flexible core of material of refractive index ‘μ1’ surrounded by flexible cover called cladding with refractive index ‘μ2’. Then - VgyanHub

Question:

An optical fiber essentially consists of thin transparent flexible core of material of refractive index ‘μ₁’ surrounded by flexible cover called cladding with refractive index ‘μ₂’. Then

Options :

(a) μ2 is slightly greater than μ1
(b) μ2 should be equal to μ1
(c) μ2 is slightly less than μ1
(d) the difference μ2-μ1 should be equal to one

Answer :

(c) μ₂ is slightly less than μ₁

Answer Steps :

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