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State briefly the functioning of a biogas power-source. - Physics

Short Note

The diagram in the following shows two air filled bulbs connected by a U-tube containing mercury kept equidistant from a glassing bulb.

(i) Explain, how will the level X and Y change? (ii) Give a reason for your answer.

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Solution

The level Y will rise and level X will drop because the air in blackened bulb is heated more than clear bulb; hence the air expands and pushes the mercury to the other limb.

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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 5 Heat
Exercise | Q 71 | Page 231
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