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Law of Floatation

An iron needl...

Question

An iron needle sinks in water but floats on mercury of density.Give reason

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Solution

A needle floats on mercury but not on water because mercury is less dense than water. The density of mercury is less than water.

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Similar questions

Q. Give reason as to why an iron needle sinks in water but a ship made of iron floats in water.

Q. Explain why an iron needle sinks in water, but a ship made of iron floats on water.

Q. Why an iron nail floats on mercury but it sinks in water?

Q. An iron nail sinks in water but if floats in mercury. Why?

Iron sinks in water and floats in mercury.

Density of Iron - $7.6 g / c m^{3}$

Density of Water - $1 g / c m^{3}$

Density of Mercury - $13.7 g / c m^{3}$

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