Question

define optical activity​

Answer 1

Answer:

Optical activity, the ability of a substance to rotate the plane of polarization of a beam of light that is passed through it. ... The rotation is assigned a positive value if it is clockwise with respect to an observer facing the light source, negative if counterclockwise.

Explanation:

the property (displayed by solutions of some compounds, notably many sugars) of rotating the plane of polarization of plane-polarized light.

Answer 2

Explanation:

Optical activity, the ability of a substance to rotate the plane of polarization of a beam of light that is passed through it. ... The rotation is assigned a positive value if it is clockwise with respect to an observer facing the light source, negative if counterclockwise.