JEE PHYSICS MCQ: WAVE OPTICS

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Application +4 | -1

Specific rotation of sugar solution is

0.01\;SI

units.

200\;kg{m^{ - 3}}

of impure sugar solution is taken in a polarimeter tube of length

0.25\;m

and an optical rotation of

0.4\;rad

is observed. The percentage of purity of sugar is the sample is

View answer and explanation

Correct option: A

80\%

Option A (

80\%

) is correct because the percentage of purity is calculated by comparing the concentration of pure sugar to the concentration of the impure solution.

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