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Question

Which of the following equipments works on the basis of total internal reflection?

A
Electric bulb
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B
Electric wire
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C
Optical fibre cable
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D
Magnifying Lens
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Solution

The correct option is C Optical fibre cable
The phenomenon of total internal reflection is used in optical fibres. These optical fibres send optical signals to distant places without losing much intensity. Hence, this mode of communication is best suited for transmission of high bandwidths.

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