We can see only those objects
which lie in the path of light due to
1) Reflection of light
2) Rectilinear propagation of light
3) Dispersion of light
4) Conversion of light
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1. Light is a form of energy. (energy/electricity) 2. All bodies which emit light energy by themselves are called luminous bodies. (luminous/opaque) 3. Light travels in a straight line. (straight/curved) 4. A glowing electric bulb is an example of artificial source of light. (natural/artificial) 5. Any polished surface from which regular reflection takes place is called a mirror. (mirror/obstacle) 6. Reflection from a mirror gives clear image. (image/shadow) 7. The shadow of a coloured object is black. (coloured/black) 8. The image formed by a mirror is due to reflection of light. (reflection/ propagation)
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