In the Figure Below, Three Identical Photons Were Each Emitted

question 53

Multiple Choice

In the figure below, three identical photons were each emitted when their local scale factor was R_U =0.5.Each is then measured after the scale factor of the universe changes to a different amount, as shown.Which photon will be measured to have the greatest energy?

• A) the one at R_U =1
• B) the one at R_U = 2
• C) the one at R_U =3
• D) The photons at R_U= 2 and 3 will have identical energy.
• E) All three will have the same energy.

---

Definitions:

Injury

Damage or harm caused to the structure or function of the body caused by an external force.

Right to Defend

The legally supported ability of an individual to protect oneself or one's property against harm, typically used in the context of self-defense or property defense laws.

Defamation

A false statement that injures someone's reputation, communicated to a third party, leading to potential legal action.

Battery

An intentional and unlawful physical act that causes injury or offensive contact with another person.