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
A. Decrease in size
B. Flatten into disc like shape
C. Increase in size
D. Maintain the same size and shape
Answer: Option C
Related Questions on Heat and Thermodynamics
A. Zeroth Law of Thermodynamics
B. First Law of Thermodynamics
C. Second Law of Thermodynamics
D. Third Law of Thermodynamics
A black body can absorb radiations of
A. lower wavelengths only
B. intermediate wavelengths only
C. higher wavelengths only
D. all wavelengths

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