# MCQ Questions for Class 10 Science Chapter 10 Light – Reflection and Refraction with Answers

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Below you will find MCQ Questions of Chapter 10 Light - Reflection and Refraction Class 10 Science Free PDF Download that will help you in gaining good marks in the examinations and also cracking competitive exams. These Class 10 MCQ Questions with answers will widen your skills and understand concepts in a better manner.

# MCQ Questions for Class 10 Science Chapter 10 Light - Reflection and Refraction with answers

1. In a convex lens, where is the image formed, when an object is placed at 2F ?

(a) Between F and 2F

(b) At focus (F)

(c) At 2F on the other side

(d) At 2F on the same side

► (c) At 2F on the other side

2. The laws of reflection hold good for

(a) plane mirror only

(b) concave mirror only

(c) convex mirror only

(d) all mirrors irrespective of their shape

► (d) all mirrors irrespective of their shape

3. A full length image of a distant tall building can definitely be seen by using

(a) a concave mirror

(b) a convex mirror

(c) a plane mirror

(d) both concave as well as plane mirror

► (b) a convex mirror

4. A magnifying glass is a

(a) Both convex and concave

(b) Concave lens

(c) Diverging lens

(d) Convex Lens

► (d) Convex Lens

5. Which lens always forms diminished and erect image?

(a) Convex lens

(b) Concave lens

(c) Converging lens

(d) Both convex and concave

► (b) Concave lens

6. In a museum a child walks towards a large concave mirror. He will see that

(a) his real, erect image goes on decreasing in size.

(b) his real, inverted image goes on diminishing in size and suddenly it becomes virtual, erect and magnified.

(c) his virtual, erect image goes on increasing in size.

(d) his real, erect Image goes on diminishing in size and suddenly it becomes virtual, erect and magnified.

► (c) his virtual, erect image goes on increasing in size.

7. The image formed by a convex lens can be

(a) virtual and magnified

(b) virtual and diminished

(c) virtual and of same size

(d) virtual image is not formed

► (a) virtual and magnified

8. A full length image of a distant tall building can definitely be seen by using

(a) a concave mirror

(b) a convex mirror

(c) a plane mirror

(d) both concave as well as plane mirror

► (b) a convex mirror

8. Virtual image forms

(a) When rays of light converge.

(b) When rays of light do not actually meet, but appear to meet when produced backwards.

(c) When rays of light actually meet.

(d) When rays of light meet on the back side of mirror.

► (b) When rays of light do not actually meet, but appear to meet when produced backwards.

9. Where should an object be placed in front of convex lens to get a real image of the size of the object?

(a) At the principal focus of the lens.

(b) At twice the focal length

(c) At infinity

(d) Between the optical centre of the lens and its principal focus.

► (b) At twice the focal length

10. The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be:

(a) real, inverted and diminished in size

(b) real, inverted and enlarged in size

(c) virtual, upright and diminished in size

(d) virtual, upright and enlarged in size

► (c) virtual, upright and diminished in size

11. What will be the angle of reflection if light falls normally on the reflecting surface?

(a) 90°

(b) 0°

(c) -180°

(d) 180°

► (b) 0°

12. A magnified real image is formed by a convex lens when the object is at

(a) F

(b) between F and 2F

(c) 2F

(d) only (a) and (b) both

► (d) only (a) and (b) both

13. In torches, search lights and head lights of vehicles the bulb is placed

(a) Between pole and focus

(b) Very near to the focus

(c) Between focus and centre of curvature

(d) At centre of curvature

► (b) Very near to the focus

14. When object moves closer to convex lens, the image formed by it shift

(a) away from the lens

(b) towards the lens

(c) first towards and then away from the lens

(d) first away and then towards the lens

► (a) away from the lens

15. Angle of reflection is

(a) the angle between the reflected ray and the normal.

(b) the angle between the incident ray and the normal.

(c) the angle between the reflected ray and the mirror surface.

(d) the angle between the reflected ray and the incident ray.

► (a) the angle between the reflected ray and the normal.

16. If an incident ray passes through the focus, the reflected ray will

(a) pass through the pole

(b) be parallel to the principal axis

(c) retrace its path

(d) pass through the centre of curvature

► (b) be parallel to the principal axis

17. Angle of incidence is

(a) the angle between the reflected ray and the mirror surface.

(b) the angle between the reflected ray and the incident ray.

(c) the angle between the reflected ray and the normal.

(d) the angle between the incident ray and the normal.

► (d) the angle between the incident ray and the normal.

18. Where should an object be placed in front of a convex lens to get a real image of the size of the object ?

(a) At infinity

(b) At twice the focal length

(c) Between the optical centre of the lens and its principal focus.

(d) At the principal focus of the lens

► (b) At twice the focal length

19. In which of the following, the image of an object placed at infinity will be highly diminished and point sized?

(a) Concave mirror only

(b) Convex mirror only

(c) Convex lens only

(d) Concave mirror, convex mirror, concave lens and convex lens

► (d) Concave mirror, convex mirror, concave lens and convex lens

20. Image formed by reflection from a plane mirror is

(a) real and inverted

(b) virtual and erect

(c) real and erect

(d) virtual and inverted

► (b) virtual and erect

21. The angle of incidence for a ray of light having zero reflection angle is

(a) 0°

(b) 30°

(c) 45°

(d) 90°

► (a) 0°

22. Which one of the following materials cannot be used to make a lens?

(a) Water

(b) Glass

(c) Plastic

(d) Clay

► (d) Clay

23. A deviation in the path of a ray of light can be produced

(a) by a glass prism as well as a rectangular glass slab

(b) by a rectangular glass slab but not by a glass prism

(c) by a glass prism but not by a rectangular glass slab

(d) neither by a glass prism nor by a rectangular glass slab

► (a) by a glass prism as well as a rectangular glass slab

24. To get an image larger than the object, one can use

(a) a convex mirror but not a concave mirror

(b) a concave mirror but not a convex mirror

(c) either a convex mirror or a concave mirror

(d) a plane mirror

► (b) a concave mirror but not a convex mirror

25. When object moves closer to a concave lens the image by it shift

(a) away from the lens on the same side of object

(b) toward the lens

(c) away from the lens on the other side of lens

(d) first towards and then away from the lens

► (b) toward the lens

26. A convex lens forms a virtual image when an object is placed at a distance of 18 cm from it. The focal length must be

(a) greater than 36 cm

(b) greater than 18 cm

(c) less than 36 cm

(d) less than 18 cm

► (b) greater than 18 cm

27. No matter how far or close you stand from a mirror, your image is always virtual and erect. The mirror is

(a) convex mirror

(b) plane mirror

(c) concave mirror

(d) either a convex or a plane mirror

► (d) either a convex or a plane mirror

28. A linear object is placed at a distance equal to focal length of a convex mirror. Its image is formed

(a) at infinite distance

(b) at the principal focus of mirror

(c) behind the mirror at a distance f/2

(d) in front of mirror at a distance f/2

► (c) behind the mirror at a distance f/2

Hope the given MCQ Questions will help you in cracking exams with good marks. These Light - Reflection and Refraction MCQ Questions will help you in practising more and more questions in less time.

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