General Science — Quiz

Basic Science Electromagnetic Waves

51 questions · Test your knowledge

1 On rotating the analyzer if the intensity of light rays coming out of it varies from maximum to zero then the incident beam of light is
2 Which one of the following cannot be polarized
3 Light waves are
4 The light which cannot be completely plane polarized by reflection is
5 Brewsters law in polarization of light by reflection states that
6 If the refraction index of a medium like glass is � the polarizing angle ip is given by
7 The property that distinguishes the transverse waves from the longitudinal waves is
8 Polarization of light by reflection on the surface of glass was discovered by
9 From Brewsters law we find that polarizing angle depends on
10 On rotating the analyzer if the rays coming out of it has same intensity then the incident beam is
11 On rotating the analyzer if the rays coming out of it has the intensity varies from maximum to minimum then the incident light is
12 Double diffraction phenomenon was first observed by
13 A device used to get plane polarized light is
14 Plane of polarization is the plane
15 Along the direction of the optic axis of a calcite crystal the ordinary rays travel with
16 The angle of inclination of pile of plates to the axis of the tube is
17 The phenomenon used in the construction of pie of plates is
18 A mixture of plane polarized light and un-polarized light is known as
19 In polarization the plane of vibration is the plane
20 Sound waves cannot be polarized while light waves can be polarized because
21 Double diffraction is exhibited by
22 The phenomenon which proves that light waves are transverse wave is
23 For one incident ray there will be generally two refracted rays in double refraction in calcite crystals Which of the following statement is correct?
24 The polarizing angle for glass is about 25
25 If the polarizing angle for glass plate is 60� then the refractive index of the glass plate is 05
26 The velocity of the extraordinary ray and that of the ordinary ray in calcite crystal are
27 When light is incident on a plane surface at the polarizing angle the angle between the reflected beam and the refracted beam
28 Light is incident on a surface at a polarizing angle 57� Then the reflected beam is at
29 According to Brewsters law the tangent of polarizing angle is
30 Which one of the following is used to give a three dimensional view in stereoscopic motion picture
31 An example of biaxial crystal is
32 Polarized light when used for viewing Aerial Pictures gives
33 H-polaroids and K-polaroids are prepared by using
34 The optical component used to produce stereoscopic motion picture is
35 Which one of the following is an example biaxial crystal
36 Tourmaline crystal is
37 The planes of vibrations of the extraordinary and the ordinary rays are
38 Nicol prism is used to produce
39 Polaroid are used in aero planes to
40 In Nicol prism the refractive indices for the ordinary ray and the extraordinary ray are
41 In a doubly refracting crystal along the optic axis the ordinary ray and the extraordinary ray
42 In Nicol prism the phenomenon that takes place at the layer of Canada balsam isextraordinary and refraction
43 The production of stereoscopic motion picture uses the principle of
44 A device using micro crystal of herapathite (iodosulphate of quinine) is used for the production of
45 H- Polaroid is a thin film of nitrocellulose
46 Example of uniaxial crystal is
47 Nicol prism is made up of
48 The phenomenon that takes place in a Nicol prism is
49 Example of biaxial crystal is
50 The light emerging from a Nicol prism
51 Which one of the following may be used both as a polarizer and a analyzer
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