Chapter - 3 Gravitation

Q&A -Ask Doubts and Get Answers

Q
The volume of 50 g of a substance is 20 cm^3 . If the density of water is 1 g cmโ€“3, will the substance float or sink?

Question:

The volume of 50 g of a substance is 20 cm^3 . If the density of water is 1 gcm^{-3}, will the substance float or sink?

Answer:

We know,

Density = frac{Mass}{Volume}

Density of substance = frac{50 g}{20 cm^3}

Density of substance = 2.5 gcm^{-3}

Density of water = 1 gcm^{-3}

Density of Substance > Density of water

Density of a substance is greater than the density of water. Hence the substance will sink.


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