Multiple choice question XXIII — task. Science CBSE, Class 9.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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1. The balloon stops rising up beyond a particular height when the density of gas inside the balloon

exceeds the density of air outside
equal the density of air
becomes less than the density of air
none of these above

2. What of the following is not the application of Archimedes' principle?

designing of ships and submarines.
hydrometers
Lactometers
hydraulic lifts

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