Question

Nuclear sizes are expressed in a unit named

A. Fermi

B. angstrom

C. newton

D. tesla

Answer 1

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Option A

• Nuclear sizes are expressed in a unit called "Fermi" which is a unit of length equal to 10−15 metre (one femtometre), used in nuclear physics.

• It is similar to the diameter of a proton.

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Answer 2

Answer:

OPTION A ✔

➡️ the unit Fermi is used in nuclear physics.

➡️ it is quadrillionth of meter.

or

10-¹⁵

➡️ it is used to measure the distance between small particles.

Explanation:

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