New Science eTextbook 4B (UPC)

3 Which everyday phenomena are related to the reflection of light? 1. Why can we see ourselves in mirrors? 2. Compare the images formed in a plane mirror and on aluminium foil. Explain the difference based on what you know.

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2

image formed in a mirror

image formed on aluminium foil

3. Do this experiment to explore the reason for the different images formed in a plane mirror and on aluminium foil.

Activity Booklet 29

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2

light

light

mirror

aluminium foil

Quick Check When light shines on a smooth surface, the surface reflects it in a specific direction / many directions and a clear / blurred image is formed. When light shines on a rough surface, the surface reflects it in a specific direction / many directions and a clear / blurred image is formed.

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