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Category: Class 9

Question1: Classify the following numbers as rational or irrational:

Class 9 Maths Maths Formulas
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Question2: Visualise 4.26 on the number line, up to 4 decimal places.

Class 9 Maths Maths Formulas
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Question1: Visualise 3. 765 on the number line, using successive magnification.

Class 9 Maths Maths Formulas
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Explain how sound is produced by your school bell?

Class 9 Physics Sound
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How does the sound produce by a vibrating object in a medium reach your ear?

Class 9 Physics Sound
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A freely falling object eventually stops on reaching the ground. What happened to its kinetic energy?

Class 9 Physics Work and Energy
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Find the energy in kW h consumed in 10 hours by four devices of power 500 W each.

Class 9 Physics Work and Energy
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Soni says that the acceleration in an object could be zero even when several forces are acting on it. Do you agree with her? Why?

Class 9 Physics Work and Energy
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QUESTION : Where did Jerome finally find the toothbrush?

Class 9 English
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QUESTION : What “horrible idea” occurred to Jerome a little later?

Class 9 English
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QUESTION : What did Harris say after the bag was shut and strapped? Why do you   think he waited till then to ask?

Class 9 English
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QUESTION : What was Jerome’s real intention when he offered to pack?

Class 9 English
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