A. Give two examples of the following.
1. Man-made sources of light
2. Opaque materials
3. Objects that can form a shadow
4. Irregular surfaces (with respect to reflection)
5. Regular surfaces (with respect to reflection)
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3. Hard objects : for example : person , table , chair etc.
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Answer:
1)candle,bulb
2)wood,metal
3)oiled paper, fog
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