Physics · Optics

In an optical fiber, the refractive index of the material of the core is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1independent of the cladding material.
2higher than that of the cladding.✓
3less than that of the cladding.
4equal to that of the cladding.

Correct answer

higher than that of the cladding.

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