Light passes successively through two polarimeters tubes each of length 0.29 m . The first tube contains dextro rotatory solution of concentration 60 kgm –3 and specific rotation 0.01 rad m 2 kg –1 . The second tube contains laevo rotatory solution of concentration 30 kg / m 3 and specific rotation 0.02 radm 2 kg –1 . The net rotation produced is
Text Solution
Verified by ExpertsThe correct answer is:
B
Rotation produced θ θ = Slc
Net rotation produced θ θ r = θ θ 1 – θ θ 2 = l ( S 1 c 1 – S 2 c 2 )
= 0.29 × × [0.01 × × 60 – 0.02 × × 30] = 0
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