Looking for authentic SEBA Class 10 Science Chapter 10 (Light – Reflection and Refraction) MCQ solutions for the 2026–27 academic year? Access complete multiple-choice questions with correct options, detailed explanations, mirror and lens formula concept rules, refractive index problems, and optics objective notes to score top marks in your HSLC board exams.
MCQ
Q1. Light travels in:
a) Zigzag path
b) Straight line
c) Circular path
d) Curved path
Answer: b) Straight line
Q2. The reason we can’t see in the dark is because:
a) Eyes stop working
b) There’s no oxygen
c) There’s no light to reflect
d) Objects disappear
Answer: c) There’s no light to reflect
Q3. Shadow is formed because:
a) Light bends around objects
b) Light travels in straight lines
c) Light is absorbed by air
d) Light diffuses everywhere
Answer: b) Light travels in straight lines
Q4. The bending of light around very small objects is called:
a) Reflection
b) Diffusion
c) Diffraction
d) Refraction
Answer: c) Diffraction
Q5. Light behaves as:
a) Only a wave
b) Only particles
c) Both wave and particles
d) None
Answer: c) Both wave and particles
Q6. Reflection is:
a) Bending of light
b) Bouncing back of light from a surface
c) Absorption of light
d) Scattering of light
Answer: b) Bouncing back of light from a surface
Q7. In reflection, ∠i = ?
a) ∠C
b) ∠r
c) ∠F
d) ∠O
Answer: b) ∠r
Q8. The image formed in a plane mirror is:
a) Real and inverted
b) Real and erect
c) Virtual and erect
d) Virtual and inverted
Answer: c) Virtual and erect
Q9. Image in a plane mirror is:
a) Smaller than object
b) Larger than object
c) Same size as object
d) Depends on distance
Answer: c) Same size as object
Q10. Lateral inversion means:
a) Top and bottom reversed
b) Left and right reversed
c) Front and back reversed
d) Image upside down
Answer: b) Left and right reversed
SEBA Class 10 Science Chapter 10 MCQ Solutions
Q11. A concave mirror looks like:
a) Back of a spoon
b) Inside of a spoon
c) Flat glass
d) Lens
Answer: b) Inside of a spoon
Q12. A convex mirror looks like:
a) Inside of a spoon
b) Back of a spoon
c) Plane surface
d) Hole
Answer: b) Back of a spoon
Q13. A concave mirror ____ light.
a) Diverges
b) Converges
c) Scatters
d) Absorbs
Answer: b) Converges
Q14. A convex mirror ____ light.
a) Converges
b) Diverges
c) Absorbs
d) Focuses
Answer: b) Diverges
Q15. The relation between radius of curvature (R) and focal length (f) is:
a) R = f
b) R = 2f
c) f = 2R
d) R = f/2
Answer: b) R = 2f
Q16. The focal length of a concave mirror is:
a) Positive
b) Negative
c) Zero
d) Infinite
Answer: b) Negative
Q17. The focal length of a convex mirror is:
a) Positive
b) Negative
c) Zero
d) None
Answer: a) Positive
Q18. Image formed by a concave mirror when object is between F and P:
a) Real and inverted
b) Virtual and erect
c) Real and erect
d) None
Answer: b) Virtual and erect
Q19. A convex mirror always forms:
a) Real and erect image
b) Virtual and erect image
c) Real and inverted image
d) Enlarged image
Answer: b) Virtual and erect image
Q20. Convex mirrors are used as:
a) Shaving mirrors
b) Dentist mirrors
c) Rear-view mirrors
d) Projectors
Answer: c) Rear-view mirrors
Class 10 Science Chapter 10 MCQ Question Answer SEBA 2026-27
Q21. Mirror formula is:
a) 1/f = 1/v – 1/u
b) 1/f = 1/v + 1/u
c) f = v + u
d) f = v – u
Answer: b) 1/f = 1/v + 1/u
Q22. Magnification (m) of mirror is:
a) m = h/h′
b) m = -v/u
c) m = v/u
d) m = h′ × h
Answer: b) m = -v/u
Q23. Refraction is:
a) Bouncing of light
b) Bending of light
c) Absorption of light
d) Diffusion of light
Answer: b) Bending of light
Q24. Refraction occurs because:
a) Light changes colour
b) Light changes direction
c) Light changes speed
d) Light reflects
Answer: c) Light changes speed
Q25. When light travels from rarer to denser medium, it bends:
a) Away from normal
b) Towards normal
c) Straight
d) Randomly
Answer: b) Towards normal
Q26. Refractive index (n) =
a) v/c
b) c/v
c) c × v
d) 1/v
Answer: b) c/v
Q27. A convex lens is:
a) Thicker at centre
b) Thicker at edges
c) Flat
d) Curved inward both sides
Answer: a) Thicker at centre
Q28. A concave lens is:
a) Thicker at centre
b) Thicker at edges
c) Flat
d) Cylindrical
Answer: b) Thicker at edges
Q29. Lens formula is:
a) 1/f = 1/v + 1/u
b) 1/f = 1/v – 1/u
c) 1/f = v/u
d) f = v – u
Answer: b) 1/f = 1/v – 1/u
Q30. Power of lens (P) is given by:
a) P = f
b) P = f²
c) P = 1/f
d) P = 2f
Answer: c) P = 1/f
Light Reflection and Refraction Class 10 SEBA MCQ Notes
Q31. When you see your face in the inner side of a shiny spoon, the image appears:
a) Virtual and erect
b) Real and inverted
c) Virtual and enlarged (when close)
d) Both A and C
Answer: d) Both A and C
Q32. When you move the spoon away from your face (inner side), the image:
a) Remains the same
b) Gets smaller and inverted
c) Gets enlarged and virtual
d) Disappears
Answer: b) Gets smaller and inverted
Q33. When you see your face on the back (outer) side of the spoon, the image is:
a) Real and inverted
b) Virtual, erect, and diminished
c) Virtual and enlarged
d) Real and magnified
Answer: b) Virtual, erect, and diminished
Q34. The concave surface of the spoon behaves like a:
a) Plane mirror
b) Convex mirror
c) Concave mirror
d) Glass slab
Answer: c) Concave mirror
Q35. The convex surface of the spoon behaves like a:
a) Convex mirror
b) Concave mirror
c) Plane mirror
d) None
Answer: a) Convex mirror
Q36. In Activity 10.2, the bright spot on paper formed by a concave mirror is:
a) Virtual and erect
b) Real and inverted
c) Real and erect
d) Virtual and inverted
Answer: b) Real and inverted
Q37. The bright spot on the paper represents:
a) Image of the Sun
b) Focus of convex mirror
c) Shadow of the mirror
d) Reflection of the sky
Answer: a) Image of the Sun
Q38. The paper burns because:
a) Light is reflected back
b) Heat rays converge at the focus
c) Mirror absorbs heat
d) Paper is close to the mirror
Answer: b) Heat rays converge at the focus
Q39. The distance between the mirror and the burning point gives:
a) Diameter of the mirror
b) Focal length of mirror
c) Radius of curvature
d) Power of the mirror
Answer: b) Focal length of mirror
Q40. For a concave mirror, the focal length (f) is related to radius of curvature (R) as:
a) f = 2R
b) f = R
c) f = R/2
d) f = 3R
Answer: c) f = R/2
SEBA Class 10 Science Chapter 10 Multiple Choice Questions
Q41. When a candle is placed beyond the centre of curvature (C) of a concave mirror, the image is:
a) Real, inverted, smaller
b) Virtual, erect, smaller
c) Real, erect, same size
d) Virtual, enlarged
Answer: a) Real, inverted, smaller
Q42. When the candle is at C, the image is:
a) At F
b) At infinity
c) At C, real and same size
d) Behind the mirror
Answer: c) At C, real and same size
Q43. When the object is between F and C, the image is:
a) Between F and P
b) Beyond C, enlarged and real
c) At focus
d) Behind the mirror
Answer: b) Beyond C, enlarged and real
Q44. When the object is between F and P, the image formed by a concave mirror is:
a) Virtual, erect, enlarged
b) Real, inverted, diminished
c) Real, erect
d) No image
Answer: a) Virtual, erect, enlarged
Q45. Convex mirror always forms an image that is:
a) Real and inverted
b) Virtual, erect, and diminished
c) Virtual, inverted
d) Real and erect
Answer: b) Virtual, erect, and diminished
Q46. Plane mirrors form images that are:
a) Real and inverted
b) Virtual, erect, same size
c) Virtual, inverted
d) Diminished
Answer: b) Virtual, erect, same size
Q47. The image in a convex mirror appears:
a) At the same distance as object
b) Closer to the mirror than object
c) Farther away
d) On the mirror surface
Answer: b) Closer to the mirror than object
Q48. Convex mirrors are used as rear-view mirrors because:
a) They enlarge images
b) They give wider field of view
c) They form real images
d) They form inverted images
Answer: b) They give wider field of view
Q49. When trying to pick a coin from the bottom of a water-filled bucket, it appears raised due to:
a) Reflection
b) Refraction
c) Scattering
d) Dispersion
Answer: b) Refraction
Q50. When water is poured into a bowl, a hidden coin becomes visible because:
a) Light bends at air-water boundary
b) Water magnifies the coin
c) Coin moves upward
d) Light reflects from bowl
Answer: a) Light bends at air-water boundary
HSLC Science Light Objective Questions
Q51. The apparent shift in coin position occurs because:
a) Speed of light increases in water
b) Speed of light decreases in water
c) Coin emits light
d) Water is opaque
Answer: b) Speed of light decreases in water
Q52. When a glass slab is placed over a straight line, the line appears bent at edges due to:
a) Reflection
b) Refraction
c) Diffraction
d) Absorption
Answer: b) Refraction
Q53. The bending of light through the glass slab stops when:
a) Slab is parallel to line
b) Slab is tilted
c) Light is blocked
d) Line is curved
Answer: a) Slab is parallel to line
Q54. The part of the line under the glass slab appears raised because:
a) Light travels faster in glass
b) Refraction makes image appear higher
c) Glass acts as mirror
d) Reflection increases brightness
Answer: b) Refraction makes image appear higher
Q55. In the glass slab experiment with pins, the emergent ray is:
a) Parallel to the incident ray
b) Perpendicular
c) Bent inward
d) Not visible
Answer: a) Parallel to the incident ray
Q56. The shift between incident and emergent rays in a glass slab is called:
a) Lateral inversion
b) Lateral displacement
c) Lateral refraction
d) Reflection shift
Answer: b) Lateral displacement
Q57. The bright spot formed by a convex lens on paper is:
a) Virtual image of the Sun
b) Real image of the Sun
c) Shadow of the lens
d) Reflected light
Answer: b) Real image of the Sun
Q58. The paper burns when the bright spot is formed because:
a) Heat energy of Sun’s rays is concentrated at focus
b) Lens absorbs sunlight
c) Light gets scattered
d) Lens reflects heat
Answer: a) Heat energy of Sun’s rays is concentrated at focus
Q59. The focal length of a convex lens can be found by measuring:
a) Distance from lens to Sun
b) Distance from lens to bright spot on paper
c) Diameter of lens
d) Thickness of lens
Answer: b) Distance from lens to bright spot on paper
Q60. When the candle is placed between F1 and 2F1 of a convex lens, the image formed is:
a) Beyond 2F2, real and inverted
b) At focus, virtual
c) At infinity, enlarged
d) Between lens and F2
Answer: a) Beyond 2F2, real and inverted
🔬 Updated MCQ Guide Notice: This page features a full collection of SEBA Class 10 Science Chapter 10 (Light – Reflection and Refraction) Multiple Choice Questions (MCQs) with accurate options and detailed explanations, fully updated for the 2026–27 academic session in accordance with the latest revised Assam Board (SEBA) curriculum.
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