Light, shadows and reflections Class 6 Science Multiple Choice Questions & Answers

Question-1. A mirror is an example of

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

Question-2. A torch is a

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

Question-3. Air and water are

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

Question-4. Air is

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

Question-5. Glass sheet is a/an

1. transparent object
2. opaque object
3. transparent object
4. none of these

Question-6. Image formed by a pinhole camera is

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

Question-7. Image formed by plane mirror is

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

Question-8. Light travels in

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

Question-9. Light travels in a

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

Question-10. Natural luminous object among the following is

1. planets
2. moon
3. sun
4. all of these

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

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

Question-13. Plywood sheet is a/an

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

Question-14. Shadow gives information about

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

Question-15. Shadow of an object is

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

Question-16. Shadow of an object is always

1. blue
2. red
3. white
4. black

Question-17. Shadows give us information about the

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

Question-18. Solid wax is

1. transparent
2. translucent
3. opaque
4. none of these

Question-19. Stars are

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

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

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

Question-22. The image formed in water is

1. inverted
2. erect
3. long
4. diminished

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

1. copper
2. wood
3. rubber
4. glass

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

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

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

1. transparent
2. opaque
3. translucent
4. none of these

Question-27. The pinhole image of the sun is

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

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

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

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

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

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

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

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

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

1. Rubber
2. Glass
3. Copper
4. Wood

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

1. Pencil
2. Chair
3. Sun
4. Table

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

1. Torch
2. Sun
3. Electric light
4. Chair

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

1. Electric bulb
2. Sun
3. Tube light
4. Moon

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

1. Transparent
2. Translucent
3. Opaque
4. None of these