AP Physics MCQ Question with Answer

AP Physics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 15
Which type of nuclear decay releases a beta particle?

Alpha decay

Beta decay

Gamma decay

Electron capture

Question No : 16
What is the process of a solid changing directly into a gas called?

Evaporation

Sublimation

Condensation

Melting

Question No : 17
What is the SI unit of heat energy?

Calorie

Joule

Newton-meter

Watt

Question No : 18
Which law states that the total electric charge in a closed system is constant?

Coulomb's Law

Ohm's Law

Conservation of Charge

Ampere's Law

Question No : 19
What is the law that states the total electric charge in a closed system is constant?

Coulomb's Law

Ohm's Law

Conservation of Charge

Ampere's Law

Question No : 20
What is the unit of angular velocity?

Rad/s

m/s

Question No : 21
Which of the following statements about waves is true?

Longitudinal waves require a medium for propagation.

Transverse waves have oscillations perpendicular to the direction of wave motion.

Electromagnetic waves are an example of mechanical waves.

Sound waves are an example of electromagnetic waves.