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When air is pumped into a cycle tyre, th...

When air is pumped into a cycle tyre, the volume and pressure of the air in the tyre, both are increased.
What about Boyle's law in this case?

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When air is pumped into a cycle tyre, more and more and more number of air molecules are pumped in. Boyle's law is applicable only when number of molecules remain constant. So Boyle's law is not obyed.
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