1.

A beam of unpolarised light is incident on a tourmaline crystal C_(1). The intensity of the emergent lightis I_(0) and I_(0) and it is incident on another tourmaline crystal C_(2) . It is found that no light emerges from C_(2) .If now C_(1) is rotated through 45^(@) towards C_(2) the intensity of the light emerging from C_(2) is

Answer»

ZERO
`(I_(0))/4`
`(I_(0))/2`
`(3I_(0))/4`

Answer :C


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