Which one is an optically active substance?
Correct answer: B. Sugar solution
- A. Sodium chlorate
- B. Sugar solution
- C. Quartz
- D. All
Explanation
The correct option is B because An optically active substance is one that rotates the plane of polarization of polarized light passing through it. Sugar solution is a classic example of an optically active substance due to the rotation of polarized light caused by the asymmetric arrangement of sugar molecules in solution.
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Light is studied through reflection, refraction, dispersion, interference, diffraction and polarization, linking ray behavior with its wave nature. Questions may involve mirrors, lenses, optical instruments, refractive index and image formation, while geometrical optics deals with rays and wave optics explains effects such as interference and diffraction.
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