An Alpha Particle Is Emitted from a Radioactive Source with an Energy

question 9

Multiple Choice

An alpha particle is emitted from a radioactive source with an energy of 5 MeV. How fast is it moving (in m/s) ? (m = 4.002 603 u, 1 u = 1.66 × 10−²⁷ kg.)

• A) 2.4 × 10⁷
• B) 1.6 × 10⁷
• C) 3.7 × 10⁷
• D) 4.6 × 10⁷
• E) 2.1 × 10⁷

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Definitions:

Germline Cells

Cells that are involved in the reproduction process and give rise to gametes, carrying genetic information to the offspring.

Beneficial Mutations

Genetic changes that improve the survival or reproductive success of an organism in its environment.

Single Protein

A molecule composed of amino acids that performs a unique and specific function within the cell or organism.

Transcription Factors

Proteins involved in the process of converting, or transcribing, DNA into RNA, playing crucial roles in regulating gene expression.