Light Quiz | Light Objective Type Questions & Answers

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Questions
21 We see the image of our face when we look into the mirror. It is due to:
A Interference
B Diffraction
C Polarisation
D Reflection

Answer: Reflection
22 Way of light is always in a
A bend path
B straight line
C convergent path
D divergent path

Answer: straight line
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23 The image formed on a cinema screen is an example of:
A Real Image
B Virtual Image
C Point Image
D Plane Image

Answer: Real Image

Multiple Choice Questions with Answers on Light | EBook

24 Our eyes detect light in
A RGB form, Red Blue Green form
B ROYGBIV, rainbow color form
C The simple form of a particular color
D None of these ways

Answer: ROYGBIV, rainbow color form
25 Symbol to represent speed of light in vacuum or air is
A v
B a
C l
D c

Answer: c
26 Mid-point between lens surface and principle axis is termed as
A Optical center
B Midway center
C Focal center
D Focal point

Answer: Optical center
27 Light can travel in
A Air only
B Vacuum only
C Both air and vacuum
D None of the mediums

Answer: Both air and vacuum
28 Reflection obtained from a smooth surface is called a
A Irregular reflection
B Regular reflection
C Both a and b
D None

Answer: Regular reflection
29 Cyan, yellow and magenta are
A Primary colors
B White colors
C Tertiary colors
D Secondary colors

Answer: Secondary colors
30 Point at which all rays converge is termed as
A Converging point
B Focal point
C Focal center
D Converging center

Answer: Focal point

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