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Question
One Fermi is equal to 10–15 metre. The radius of a proton is 1.3 Fermis. Write the radius of a proton in metres in standard form.
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Solution
The radius of a proton is 1.3 fermi.
One fermi is equal to 10–15 m.
So, the radius of the proton is 1.3 × 10–15 m.
Hence, standard form of radius of the proton is 1.3 × 10–15 m.
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