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Question

An object of mass 100 g has a volume of 20 cm3. Calculate the density of the object. Also, state whether the object will float or sink in water.

A
5.0 g cm3, sink
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B
2.0 g cm3, float
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C
5 g cm3, float
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D
1.0 gcm3, sink
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Solution

The correct option is A 5.0 g cm3, sink
Given, mass = 100 g, volume = 20 cm3
Density of object =massvolume
=100 g20 cm3=5 g cm3

Also, density of water = 1 g cm3
Since density of object > density of water, the object will sink in water.

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