How to make a pinhole camera for class 6 explain?
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take a PVC pipe of 10 cm big one and a small one of 8cm and keep a cover for 8cm one only polythene. cove to 8 cm pipe and keep a paper to 10 cm pipe and rub the paper with oil and keep 8cm pipe in 10cm pipe and zoom in or out to see the objects and pin hole camera is ready
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in this you will find out answer
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