Four polaroids are placed such that the optic axis of each is inclined at an angle of `30^(@)` with the optic axis of the preceding one. If unpolarised light of intensity I_(0) falls on the first polaroid, the light transmitted from the fourth is
A
`I_(0) `
B
`(1)/(10)I_(0)`
C
`0 . 21 I_(0)`
D
` 0 . 93 I_(0)`
Text Solution
Verified by Experts
The correct Answer is:
C
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