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Describe an Experiment to Showthat Air Expands on Heating. - ICSE Class 8 - Physics

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Question

Describe an experiment to showthat air expands on heating.

Solution

Take a glass fL bottomed flask. Close its mouth with a cork having capillary tube containing indicator visible in the tube as shown. Make it air tight. Place the flask in hot water. After few minutes, we see the indicator moving up. This happens because air inside the flask expands with rise in temperature. This proves that gases expand on heating.

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Solution Describe an Experiment to Showthat Air Expands on Heating. Concept: Thermal Expansion - Volume Expansion.
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