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CBSE Class 9 Answered

name the reaction which is reposible for the production of heat in sun(1 marks)
Asked by | 15 Aug, 2008, 11:58: PM
Expert Answer

nuclear fusion is the reaction resposible for the heat of the sun.

Answered by | 16 Aug, 2008, 10:03: AM
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CBSE 9 - Physics
Two points A and B are located on the floor of a room 30cm and 20cm away from a wall. The distance between the points parallel to the wall is 50cm. An insect is at moving on the floor at 5cm/s. It has to first reach a point C on the wall and then reach B such that AC and BC make equal angles with Normal to the wall at C. The time taken for this  motion will be
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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