What is a concave mirror?

Reflecting surface curved inwards

Reflecting surface curved outwards

What is a convex mirror?

Reflecting surface curved inwards

Reflecting surface curved outwards

Reflecting surface is spherical

What is the principal axis of a spherical mirror?

Line passing through focus and centre of curvature

Line passing through mirror and object

Line passing through pole and centre of curvature

Line passing through pole and focus

What is the principal focus of a concave mirror?

Point where incident rays diverge

Point where reflected rays meet

Point where refracted rays meet

What is the principal focus of a convex mirror?

Point where incident rays appear to come from

Point where incident rays converge

Point where reflected rays appear to come from

Point where refracted rays appear to come from

What is the focal length of a spherical mirror?

Distance between pole and centre of curvature

Distance between pole and focus

What are the laws of refraction?

Angle of incidence < Angle of refraction

Angle of incidence = Angle of refraction

Angle of incidence > Angle of refraction

Incident ray, refracted ray and normal lie in the same plane

What is the refractive index?

Ratio of light speed in two media

Ratio of speed of light in medium to speed of light in vacuum

Ratio of speed of light in the medium to that in vacuum

Ratio of speed of light in vacuum to that in the medium

What is the principal focus of a lens?

Point where incident rays diverge

Point where refracted rays appear to come from

Point where refracted rays meet

What is the focal length of a lens?

Distance between optical centre and focus

Distance between pole and focus

What is magnification?

Ratio of height of image to height of object

Ratio of height of object to height of image

NCERT Solutions Class 10 Science Chapter 9 – Light – Reflection and Refraction

Name: Light – Reflection and Refraction – Class 10 Science
Uploaded: 2026-05-31
Description: Light – Reflection and Refraction

Class 10 Science

Last Updated: 31 May 2026

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Practice MCQ Questions (29 questions)

Q1. What makes objects visible?

Q2. What is the path of light usually indicated as?

Q3. What is diffraction of light?

Q4. What are the laws of reflection?

Q5. What are the properties of the image formed by a plane mirror?

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NCERT Solutions Class 10 Science Chapter 9 – Light – Reflection and Refraction

Watch Video Lecture

Video Coming Soon..

Important Points

Practice MCQ Questions (29 questions)

Q1. What makes objects visible?

Q2. What is the path of light usually indicated as?

Q3. What is diffraction of light?

Q4. What are the laws of reflection?

Q5. What are the properties of the image formed by a plane mirror?

Q6. What is a concave mirror?

Q7. What is a convex mirror?

Q8. What is the pole of a spherical mirror?

Q9. What is the centre of curvature of a spherical mirror?

Q10. What is the principal axis of a spherical mirror?

Q11. What is the principal focus of a concave mirror?

Q12. What is the principal focus of a convex mirror?

Q13. What is the focal length of a spherical mirror?

Q14. What is the aperture of a spherical mirror?

Q15. What is the relationship between the radius of curvature and the focal length of a spherical mirror?

Q16. What is the nature of the image formed by a concave mirror when the object is placed at infinity?

Q17. What is the nature of the image formed by a concave mirror when the object is placed at the centre of curvature?

Q18. What is the nature of the image formed by a convex mirror?

Q19. What are the uses of concave mirrors?

Q20. What are the uses of convex mirrors?

Q21. What are the laws of refraction?

Q22. What is Snell’s law of refraction?

Q23. What is the refractive index?

Q24. What is the principal focus of a lens?

Q25. What is the focal length of a lens?

Q26. What is the power of a lens?

Q27. What is a convex lens?

Q28. What is a concave lens?

Q29. What is magnification?

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