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SCIENCE LESSON-4 LIGHT
I . choose the correct answer
1 .the name of the instrument invented by Galileo-(telescope)
2. which is an artificial source of light-(torch light)
3. an example for non-luminous body-(moon)
4. human body is-(opaque)
5. the colour of the shadow of any coloured opaque object is-(black)
6. reflected image can be clearly seen on a-(polished surface)