When we open a gas tap for a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. Why?

Academic Physics NCERT Class 9

When we open a gas tap for a few seconds, the sound of escaping gas is heard first but the smell of gas comes later. This is because the speed of the sound is more than the speed of the diffused molecules of the gas.

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Updated on: 10-Oct-2022

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