Protons and Neutrons Are Fermions

question 62

Multiple Choice

Protons and neutrons are fermions.The nucleus of helium-4 contains two protons and two neutrons.Which of the following spin states are allowed for the nucleus of a helium-4 atom?

• A)both protons spin up,both neutrons spin up
• B)both protons spin up,both neutrons spin down
• C)one proton and one neutron spin up and one proton and one neutron spin down
• D)All are correct.
• E)None are correct.

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Definitions:

Autonomous

Having the ability to operate independently or self-govern without external control or influence, often used in reference to machines, systems, or organizations.

Homeless Shelter

A place providing temporary accommodation for people who do not have a permanent home.

Warming Shelters

Temporary shelters provided to homeless or marginalized individuals during the cold weather months to protect them from the harsh conditions.

Isolated Impact

Effects or outcomes that occur in a limited area or scope, without significant broader or systemic implications.