Light Objective Type Questions & Answers

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

View Answer

Answer: Reflection

22 Way of light is always in a

A bend path

B straight line

C convergent path

D divergent path

View Answer

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

View Answer

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

View Answer

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

View Answer

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

View Answer

Answer: Optical center

27 Light can travel in

A Air only

B Vacuum only

C Both air and vacuum

D None of the mediums

View Answer

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

View Answer

Answer: Regular reflection

29 Cyan, yellow and magenta are

A Primary colors

B White colors

C Tertiary colors

D Secondary colors

View Answer

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

View Answer

Answer: Focal point

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