Electromagnetic Waves - Questions & Answers | Exam2Win

Take a timed mock test specifically for Electromagnetic Waves.

26. Polarized light when used for viewing Aerial Pictures gives

A. a brighter image

B. more contrast to the image

C. a better perception of depth

D. different colors to the image

Explanation:

27. H-polaroids and K-polaroids are prepared by using

A. Nicol prisms

B. iodosulphate of quinine

C. a thin film of polyvinyl alcohol

D. calcite crystal

Explanation:

28. The optical component used to produce stereoscopic motion picture is

A. Polaroid

B. Diffraction gratings

C. Beam splitters

D. Interferometers

Explanation:

29. Which one of the following is an example biaxial crystal

A. Tourmaline

B. Quartz

C. Calcite

D. Mica

Explanation:

30. Tourmaline crystal is

A. an uniaxial crystal

B. a biaxial crystal

C. an opaque crystal

D. a single refracting crystal

Explanation:

« Prev 1 2 3 4 5 6 7 8 9 10 11 Next »