Showing posts with label Class 9 final term examination 2023. Show all posts
Showing posts with label Class 9 final term examination 2023. Show all posts
Friday, 10 March 2023
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Class 9 heat revision questions
Second term weekly test revision questions Q1.a) what do you mean by degradation of energy? b) why a person should use bio- char stoves for...
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1. Explain the meaning of the terms rest and motion. Ans. rest- a body is said to be at rest if it does not changes its position with res...
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*Physical quantities- - A quantity thĂș㎲at can be measured is called a physical quantity. -example mass, length, time, temperature, area, v...
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Second term weekly test revision questions Q1.a) what do you mean by degradation of energy? b) why a person should use bio- char stoves for...




























