Polarisation

Polarisation by reflection from the dielectric surfaces relies on the _____ nature of light.

• longitudinal

• circular

• elliptical

• transverse

If the angle between the pass axis of polarizer and analyzer is 45 degree. The percentage of polarized light passing through analyzer is _____

• 25%

• 50%

• 75%

• 100%

A quarter wave plate is one which splits the incident plane-polarized light in e-ray and oray with path difference ___________.

• 0

• λ

• λ/2

• λ/4

______is used for fabrication of double refraction polarizer.

• lenses

• Nicol Prism

• plane mirror

• polaroids

In Polarization by reflection, transmitted light from one glass plate is______ polarized.

• partially

• elliptically

• circularly

• Linearly

The light wave produced due to superposition of two coherent waves with different amplitude and phase difference π/2 is known as _______ polarized light.

• unpolarized

• elliptically

• circularly

• linearly

The ray which obeys Snell’s law of refraction is known as extraordinary ray

• True

• False

________ is a device which is used to find whether the light is polarized or not polarized

• Polarizer

• Analyzer

• Glass

• Polaroid

A Nicol prism is made from __________ crystal

• calcite

• topaz

• tourmaline

• quartz