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The volume of 50 g of a substance is 20 cm^3. If the density of water is 1 g cm^−3, will the substance float or sink? - CBSE Class 9 - Science

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Question

The volume of 50 g of a substance is 20 cm3. If the density of water is 1 g cm−3, will the substance float or sink?

Solution

If the density of an object is more than the density of a liquid, then it sinks in the liquid. On the other hand, if the density of an object is less than the density of a liquid, then it floats on the surface of the liquid.

Here, density of the substance `="Mass of the substance"/"Volume of the substance"=50/20=2.5" g cm"^-1`

The density of the substance is more than the density of water (1 g cm−3). Hence, the substance will sink in water.

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Solution The volume of 50 g of a substance is 20 cm^3. If the density of water is 1 g cm^−3, will the substance float or sink? Concept: Thrust and Pressure - Why Objects Float Or Sink When Placed on the Surface of Water?.
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