B. Answer in one word. 1. The bouncing back of light rays from a shiny surface 2. The ray of light falling on a shiny surface 3. The mirror of spherical shape 4. The principle on which a pinhole camera works 5. A smooth polished surface which reflects the light.
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Answer:
1 reflection
2 incident ray
3 concave mirror
4 rectilinear propagation of light
5 mirror
1.Reflection
2.Incident Ray
3.Lens
4.Light travels in straight line
5.Mirror
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