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NABARUN SEN

· started a discussion

· 1 Months ago

Angstrom will be the correct answer (Question: 185969.0 )

Angstrom will be the correct answer

Question:

Nuclear sizes are expressed in a unit named –

Options:
A) Fermi
B) Angstrom
C) Newton
D) Tesla
Solution:
Ans:(a) Nuclear sizes are expressed in a unit named Fermi.

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.


Prakash Chandra

· commented

· 1 Months ago

Fermi level" is the term used to describe the top of the collection of electron energy levels at absolute zero temperature. This concept comes from Fermi-Dirac statistics. Electrons are fermions and by the Pauli exclusion principle cannot exist in identical energy states.
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