A hydrogen-inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will

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Q: 8 (IAS/2003)
A hydrogen-inflated polythene balloon is released from the surface of the earth. As the balloon rises to an altitude up in the atmosphere, it will
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question_subject: 

Science

question_exam: 

IAS

stats: 

0,20,40,20,11,20,9

keywords: 

{'polythene balloon': [0, 0, 1, 0], 'balloon': [0, 0, 0, 2], 'atmosphere': [1, 1, 4, 7], 'hydrogen': [0, 0, 1, 3], 'altitude': [3, 0, 9, 13], 'shape': [6, 0, 3, 12], 'like shape': [0, 2, 1, 0], 'earth': [0, 1, 1, 1], 'surface': [1, 0, 0, 0]}