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At the top of the mountain, the thermometer reads `0^(@)C` and the barometer reads `710 mm Hg`. At the bottom of the mountain the temperature is `30^(@)C` and the pressure is `760 mm Hg`. The ratio of the density of air at the top with that at the bottom isA. (a)`1:1`B. (b)`1.04:1`C. (c )`1:1.04`D. (d)`1:1.5` |
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Answer» Correct Answer - B `PV=nRT=w/mRT` `P=(dRT)/m d prop P/T` `d_(("top"))/d_(("bottom"))=710/273xx303/760=1.04:1` |
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