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CodeVID-M8-WS
Light — Reflection and Refraction — Practice Worksheet
Chapter: Light — Reflection and Refraction
Topic: Light — Reflection and Refraction
Maximum Marks: 25
Time: 30 minutes
Name: ____________________ Roll No.: __________ Date: ____________

General Instructions

  • All questions are compulsory.
  • Choose the correct option (A, B, C or D) for each question.
  • The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each) 25 × 1 = 25 marks
1.
The bouncing back of light from a surface is called:
  • A.Refraction
  • B.Reflection
  • C.Dispersion
  • D.Absorption
2.
The line drawn perpendicular to the surface at the point of incidence is the:
  • A.Incident ray
  • B.Reflected ray
  • C.Normal
  • D.Axis
3.
According to the first law of reflection, the angle of incidence equals the angle of:
  • A.Refraction
  • B.Reflection
  • C.Deviation
  • D.Dispersion
4.
The image formed by a plane mirror is:
  • A.Real and inverted
  • B.Virtual and erect
  • C.Real and erect
  • D.Virtual and inverted
5.
The left–right interchange in a plane mirror image is called:
  • A.Reflection
  • B.Lateral inversion
  • C.Refraction
  • D.Magnification
6.
A mirror whose reflecting surface curves inward is a:
  • A.Plane mirror
  • B.Concave mirror
  • C.Convex mirror
  • D.Flat mirror
7.
A concave mirror brings parallel rays of light together, so it is a ______ mirror.
  • A.Diverging
  • B.Converging
  • C.Plane
  • D.Flat
8.
The distance from the pole to the focus of a mirror is the:
  • A.Principal axis
  • B.Focal length
  • C.Centre of curvature
  • D.Normal
9.
A convex mirror always forms an image that is:
  • A.Real and large
  • B.Virtual, erect, and diminished
  • C.Real and inverted
  • D.The same size
10.
A convex mirror is used as a vehicle rear-view mirror because it gives a:
  • A.Magnified image
  • B.Wide field of view
  • C.Real image
  • D.Inverted image
11.
The bending of light as it passes from one medium to another is called:
  • A.Reflection
  • B.Refraction
  • C.Dispersion
  • D.Diffraction
12.
Refraction occurs because light travels at different ______ in different media.
  • A.Colours
  • B.Speeds
  • C.Weights
  • D.Sizes
13.
When light passes from air into water, it bends:
  • A.Away from the normal
  • B.Toward the normal
  • C.Along the surface
  • D.Backward
14.
A pencil in a glass of water appears bent because of:
  • A.Reflection
  • B.Refraction
  • C.Magnetism
  • D.Friction
15.
A ray striking the boundary along the normal will:
  • A.Bend toward normal
  • B.Bend away from normal
  • C.Pass straight through
  • D.Reflect fully
16.
A lens that is thicker in the middle than at the edges is a:
  • A.Concave lens
  • B.Convex lens
  • C.Plane lens
  • D.Flat lens
17.
A convex lens converges light, so it is a ______ lens.
  • A.Diverging
  • B.Converging
  • C.Plane
  • D.Flat
18.
A concave lens always forms an image that is:
  • A.Real and large
  • B.Virtual, erect, and diminished
  • C.Real and inverted
  • D.The same size
19.
A convex lens used to see a magnified image of a nearby object acts as a:
  • A.Camera
  • B.Magnifying glass
  • C.Mirror
  • D.Prism
20.
The lens present in the human eye is a:
  • A.Concave lens
  • B.Convex lens
  • C.Plane mirror
  • D.Prism
21.
The splitting of white light into its component colours is called:
  • A.Reflection
  • B.Refraction
  • C.Dispersion
  • D.Absorption
22.
The band of seven colours formed is called the:
  • A.Rainbow only
  • B.Spectrum
  • C.Prism
  • D.Image
23.
In the human eye, the image is formed on the:
  • A.Cornea
  • B.Pupil
  • C.Retina
  • D.Iris
24.
Short-sightedness (myopia) is corrected using a:
  • A.Convex lens
  • B.Concave lens
  • C.Plane mirror
  • D.Prism
25.
Long-sightedness (hyperopia) is corrected using a:
  • A.Convex lens
  • B.Concave lens
  • C.Plane mirror
  • D.Prism

Answer Key

Section A — Multiple Choice (1 mark each)
  1. (B) Reflection
  2. (C) Normal
  3. (B) Reflection
  4. (B) Virtual and erect
  5. (B) Lateral inversion
  6. (B) Concave mirror
  7. (B) Converging
  8. (B) Focal length
  9. (B) Virtual, erect, and diminished
  10. (B) Wide field of view
  11. (B) Refraction
  12. (B) Speeds
  13. (B) Toward the normal
  14. (B) Refraction
  15. (C) Pass straight through
  16. (B) Convex lens
  17. (B) Converging
  18. (B) Virtual, erect, and diminished
  19. (B) Magnifying glass
  20. (B) Convex lens
  21. (C) Dispersion
  22. (B) Spectrum
  23. (C) Retina
  24. (B) Concave lens
  25. (A) Convex lens
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