Chapter-wise MCQ Questions

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Question-1. A mirror is an example of

  1. transparent object
  2. opaque object
  3. translucent
  4. none of these
Answer-1

Question-2. A torch is a

  1. luminous
  2. non-luminous
  3. both of these
  4. none of these
Answer-2

Question-3. Air and water are

  1. transparent objects
  2. translucent objects
  3. opaque objects
  4. none of these
Answer-3

Question-4. Air is

  1. transparent
  2. translucent
  3. both of these
  4. none of these
Answer-4

Question-5. Glass sheet is a/an

  1. transparent object
  2. opaque object
  3. transparent object
  4. none of these
Answer-5

Question-6. Image formed by a pinhole camera is

  1. erect
  2. inverted
  3. sometimes erect, sometimes inverted
  4. none of these
Answer-6

Question-7. Image formed by plane mirror is

  1. inverted
  2. erect
  3. erect but laterally inverted
  4. none of these
Answer-7

Question-8. Light travels in

  1. a curved line
  2. a random way
  3. a straight line
  4. a zig-zag line
Answer-8

Question-9. Light travels in a

  1. curved line
  2. straight line
  3. circle
  4. none of these
Answer-9

Question-10. Natural luminous object among the following is

  1. planets
  2. moon
  3. sun
  4. all of these
Answer-10

Question-11. Objects that do not give out or emit light of their own are called

  1. luminous
  2. non-luminous
  3. opaque
  4. translucent
Answer-11

Question-12. Objects which does not allow light to pass through them are called

  1. opaque objects
  2. transparent objects
  3. translucent objects
  4. none of these
Answer-12

Question-13. Plywood sheet is a/an

  1. transparent object
  2. translucent object
  3. opaque object
  4. none of these
Answer-13

Question-14. Shadow gives information about

  1. shape of the light source
  2. size of object
  3. surface
  4. shape of object
Answer-14

Question-15. Shadow of an object is

  1. dark (black)
  2. blue
  3. red
  4. depends on the colour of object
Answer-15

Question-16. Shadow of an object is always

  1. blue
  2. red
  3. white
  4. black
Answer-16

Question-17. Shadows give us information about the

  1. size of object
  2. shape of object
  3. surface
  4. all of these
Answer-17

Question-18. Solid wax is

  1. transparent
  2. translucent
  3. opaque
  4. none of these
Answer-18

Question-19. Stars are

  1. luminous
  2. non-luminous
  3. both of these
  4. none of these
Answer-19

Question-20. Substances through which light can pass partially and things cannot be seen clearly through them are

  1. transparent
  2. opaque
  3. translucent
  4. none of these
Answer-20

Question-21. The formation of shadow of one celestial body on the other is known as

  1. image
  2. reflection
  3. eclipse
  4. none of these
Answer-21

Question-22. The image formed in water is

  1. inverted
  2. erect
  3. long
  4. diminished
Answer-22

Question-23. The material which allows light to pass through it is

  1. copper
  2. wood
  3. rubber
  4. glass
Answer-23

Question-24. The object that does not give out light on its own is the

  1. star
  2. lighted match-stick
  3. light bulb
  4. shining mirror
Answer-24

Question-25. The object which does not have light of its own is

  1. shining mirror
  2. light bulb
  3. star
  4. lighted match box
Answer-25

Question-26. The objects which allow light to pass through them are called

  1. transparent
  2. opaque
  3. translucent
  4. none of these
Answer-26

Question-27. The pinhole image of the sun is

  1. circular
  2. long
  3. sometimes long sometime circular
  4. none of these
Answer-27

Question-28. The position of the shadow changes with

  1. the position of the light source
  2. the movement of the light source
  3. both (a) and (b)
  4. none of these
Answer-28

Question-29. The ray of light that falls on a plane mirror is called

  1. reflected ray
  2. incident ray
  3. both (a) and (b)
  4. none of these
Answer-29

Question-30. The ray of light that falls on a plane mirror is called

  1. reflection
  2. reflected ray
  3. incident ray
  4. beam of ray
Answer-30

Question-31. The shape of shadow depends upon the

  1. shape of the object
  2. size of the object
  3. size of source of light
  4. colour of the source light
Answer-31

Question-32. When a light ray returns back after striking the surface of the plane mirror is called

  1. reflected ray
  2. incident ray
  3. both (a) and (b)
  4. none of these
Answer-32

Question-33. When an opaque object comes in the way of light it makes

  1. a shadow
  2. a coloured image
  3. a black and white image
  4. no image
Answer-33

Question-34. Which is an example of a translucent object?

  1. A thin glass sheet
  2. A thin paper sheet
  3. A thin iron sheet
  4. A thin wooden sheet
Answer-34

Question-35. Which of the following are transparent or allows light to pass through it?

  1. Rubber
  2. Glass
  3. Copper
  4. Wood
Answer-35

Question-36. Which of the following is a luminous object?

  1. Pencil
  2. Chair
  3. Sun
  4. Table
Answer-36

Question-37. Which of the following is a non-luminous object?

  1. Torch
  2. Sun
  3. Electric light
  4. Chair
Answer-37

Question-38. Which one of the following is the natural source of light?

  1. Electric bulb
  2. Sun
  3. Tube light
  4. Moon
Answer-38

Question-39. Which types of objects do not allow light to pass through them?

  1. Transparent
  2. Translucent
  3. Opaque
  4. None of these
Answer-39



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