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Question

The human eye is sensitive only to light having wave length ranging from

A
80 to 280 nanometres
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B
380 to 760 nanometres
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C
780 to 870 nanometres
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D
880 to 980 nanometres
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Solution

The correct option is C 380 to 760 nanometres
The human eye is sensitive to violet (400 nm) to red (700 nm ) light only that can generate photometric effect i.e. visual sensation on an eye. So, the correct answer is option B.

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