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Which consequence results when total internal reflection fails?

A)Signal loss within optical fiber
B)Refraction reaches Brewster's angle
C)Diffraction cancels wavelength components
D)Amplification increases evanescent waves

💡 Explanation

If the angle of incidence is insufficient, total internal reflection ceases, because the angle of incidence does not exceed the critical angle; therefore, light exits the dielectric rather than remaining contained for data transmission.

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