Chapter 9: Class 9 Physics Exam Tests
Class 9 Physics MCQs - Chapter 9
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MCQ 6: The energy stored in coal is
MCQ 7: Plant or animal wastes that can be burnt as fuel is called
MCQ 8: A temperature rise in the environment that disturbs life is called
MCQ 9: If a pump can lift 200 kg of water through a height of 6 m in 10 seconds, then its power is
MCQ 10: The energy use in solar cookers, solar distillation plants, solar power plants is known as
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