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Light – Reflection and Refraction
Science · CBSE Class 10 · English Medium · 20 questions and answers
Sample questions
- Q: What is reflection of light?
- A: The bouncing back of light rays when they strike a smooth, polished surface such as a mirror.
- Q: State the two laws of reflection.
- A: (1) The angle of incidence equals the angle of reflection. (2) The incident ray, reflected ray and normal all lie in the same plane.
- Q: What type of image is formed by a plane mirror?
- A: A virtual, erect image, of the same size as the object, formed as far behind the mirror as the object is in front, and laterally inverted.
- Q: What is a concave mirror?
- A: A spherical mirror whose reflecting surface curves inward (like the inside of a spoon).
- Q: What is a convex mirror?
- A: A spherical mirror whose reflecting surface curves outward and always forms a virtual, erect, diminished image.
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