NCERT Class 6 Science Chapter 11 Light Shadows and Reflections MCQ

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1. When the moon comes in between the sun and the earth in a straight line, then a solar eclipse is formed. This formation of a solar eclipse is based on the concept of the ____.

A. formation of a shadow of the earth on the moon

B. formation of a shadow of the moon on the earth

C. reflection of light by the earth

D. reflection of light by the moon

2. Light travels in

A. straight line

B. curved line

C. zig-zag line

D. randomly

3. Light travels in

A. straight line

B. curved line

C. zig-zag line

D. randomly

4. Objects which emit light of their own are called ____.

A. luminous objects

B. non‐luminous objects

C. opaque objects

D. transparent object

5. When an opaque object comes in the path of light it forms

A. an image with colours

B. shadow

C. black and white image

D. depends on the colour of the light

6. __ help us to see the objects.

A. Reflection

B. Light

C. Opaque objects

D. Transparent objects

7. An inverted image is the characteristic of a ____.

A. Shadow

B. pinhole camera

C. reflected image

D. laterally inverted image

8. Which types of objects do not allow light to pass through them?

A. Translucent

B. Opaque

C. Transparent

D. Penumbra

9. In complete or partial shadows are called:

A. Reflection

B. Penumbra

C. Refraction

D. Umbra

10. Where is a shadow formed?

A. In front of the object

B. On the ground either in front or behind the object

C. On a screen behind the object

D. Anywhere and every where

11. Which is an example of a translucent object?

A. A thin sheet of paper

B. A thin glass slab

C. A thin iron sheet

D. All of these

12. When an opaque object comes in the path of light it forms

A. an image with colours

B. shadow

C. black and white image

D. depends on the colour of the light

13. The shadow of a cylinder is a rectangle when light falls in one direction, and a _____ when light falls in the other direction.

A. Sheet

B. Line

C. Circle

D. None of the above

14. Bouncing back of light from shining surfaces is called

A. Reflection

B. Refraction

C. Bending

D. Dispersion

15. Light is a form of

A. Length

B. Energy

C. Mass

D. Power

16. Shadows are formed because ___.

A. Light has lot of energy

B. Light is attracted to a magnet

C. Light travels in a straight line

D. Light cannot travel

17. What is lateral inversion?

A. Image becomes inverted

B. Image bends laterally

C. Right of the object appears left of the image

D. All of these happen

18. ……………… is the source of light.

A. Stars

B. Sun

C. Moon

D. Sky

19. Sharp Shadow is formed by

A. Opaque object

B. Translucent objects

C. Transparent objects

D. Any object

20. Which letters of English alphabet will not show lateral inversion?

A. I, O, U

B. N, Z, X

C. I, X, E

D. A, E, I

21. Which types of objects do not allow light to pass through them?

A. Translucent

B. Opaque

C. Transparent

D. Penumbra

22. In a completely dark room, if you hold up a mirror in front of you, will you see

A. Your shadow

B. A sharp shadow

C. Your image

D. No image

23. Which is a device to image the sun?

A. Plane mirror

B. Pinhole camera

C. A straight pipe

D. Glass slab

24. The speed of light is

A. 299,792 km/s.

B. 299,792 m/s

C. 29,792km/s

D. 29,792 m/s

25. Air, water, a sheet of polythene are

A. Transparent

B. Translucent

C. Opaque

D. Luminous

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26. Which of the following is a cold source of light?

A. Firefly (Jugnu)

B. Tube light

C. The sun

D. Electric bulb

27. In sky, earth and moon are:

A. Opaque

B. Translucent

C. Transparent

D. None of these

28. The flame of a gas burner, firefly are

A. Transparent

B. Translucent

C. Opaque

D. Luminous

29. Out of these, which one is not a man-made luminous body?

A. Electric bulb

B. Burning candle

C. Firefly (Jugnu)

D. Oil lamp

30. Which of the following object is not luminous?

A. Fluorescent tube when switched on

B. Flame of gas burner

C. Fire fly

D. Moon

31. Which is an example of a translucent object?

A. A thin sheet of paper

B. A thin glass slab

C. A thin iron sheet

D. All of these

32. The light from the sun reaches the earth in

A. 8 minutes and 20 seconds

B. 8.33 seconds

C. 18.33 minutes

D. 88.33 seconds

33. Moon goes round the:

A. Sky

B. Sun

C. Stars

D. Earth

34. Bouncing back of light from shining surfaces is called

A. Reflection

B. Refraction

C. Bending

D. Dispersion

35. Shadows are

A. Always smaller than the opaque body

B. Always bigger than the opaque body

C. Remains the same size as opaque body

D. Can be smaller or bigger than the opaque body.

36. Those objects give out light of its own are known as:

A. Opaque

B. Transparent

C. Luminous

D. Translucent

37. What is lateral inversion?

A. Image becomes inverted

B. Image bends laterally

C. Right of the object appears left of the image

D. All of these happen

38. Which of the following is not a luminous object

A. Unlit candle

B. Burning gas lantern

C. Glow worm

D. Sun

39. Light is a form of energy that makes the objects:

A. Visible

B. Invisible

C. Both (a) and (b)

D. None of these

40. Which letters of English alphabet will not show lateral inversion?

A. I, O, U

B. N, Z, X

C. I, X, E

D. A, E, I

41. A plane mirror reflects a pencil of light to form a real image. Then the pencil of light incident on the mirror is

A. Parallel

B. Convergent

C. Divergent

D. None of these