State: (a) the difference between plane polarized light and ordinary light; (b) two uses of...
PHYSICS
WAEC 2011
State: (a) the difference between plane polarized light and ordinary light;
(b) two uses of polaroids.
Explanation
(a) In plane polarized light the vibrations of light waves are perpendicular in one plane only while in ordinary light the vibrations of the particles are in all planes.
(b) Two uses of polaroids are:
- in sunglass to reduce sunlight intensity
- to eliminate reflected light or glare
- in the measurement of sugar solution concentration or saccharimetry; and
- in photo elasticity or stress analysis.
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *