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A tube of length 20cm containing a 10% sugar solution rotates the plane of polarization by 13.2°. What is the specific rotation of sugar solution?

(a) 66°

(b) 55°

(c) 44°

(d) 33°

1 Answer

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Best answer
The correct option is (a) 66°

The best explanation: The specific rotation is given by S = 10θ/lC

Here, θ = 13.2°, C = 0.1 g/cc and l = 20 cm

Therefore, S = 10 X 13.2/20 X 0.1

= 66°.

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