When a Photon Collides with a Free Electron at Rest

question 10

Multiple Choice

When a photon collides with a free electron at rest and the direction of motion of the photon changes,

• A) the magnitude of the momentum of the photon does not change.
• B) the momentum of the electron does not change.
• C) the kinetic energy of the electron does not change.
• D) the total energy of the photon does not change.
• E) both the magnitude of the momentum and the total energy of the photon decrease.

---

Definitions:

New Cases

Refers typically to the number of instances identified within a specific timeframe, often used in the context of diseases or legal situations.

Disease

Any disorder or condition that impairs normal body function, often characterized by specific symptoms and signs.

Pap Smear

is a medical test in which cells are collected from the cervix to detect cervical cancer or precancerous conditions.

Detection

The process of discovering or identifying the presence of a particular object, substance, or condition.