Optics Question 183
Question: Specific rotation of sugar solution is 0.01 SI units. 200 of impure sugar solution is taken in a polarimeter tube of length 0.25m and an optical rotation of 0.4rad is observed. The percentage of purity of sugar is the sample is
[KCET 2004]
Options:
A) 80%
B) 89%
C) 11%
D) 20%
Show Answer
Answer:
Correct Answer: A
Solution:
Specific rotation
Now percentage purity of sugar solution