Question Detail

PHY 104 PHY 104 Past Questions Objective Question

Question

Which statement about alpha particles is correct?
Options
A Alpha particles consist of two protons and two neutrons.
Correct Answer
B Alpha particles are the most penetrating type of radiation
C Alpha particles are a type of electromagnetic radiation.
D Alpha particles are highly ionizing.
Correct Answer

Option A is the correct answer.

Detailed Explanation

An alpha particle is a helium-4 nucleus, consisting of two protons and two neutrons. They are not electromagnetic radiation, they have a charge, and they have low penetrating power.

Hint

An alpha particle is identical to a helium nucleus. It has 2 protons and 2 neutrons.

Question Info