What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?

Question

What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?

A. Radioactive decay

B. Nuclear fission

C. Nuclear fusion

D. Electron capture

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Which of the following is a fundamental particle found in the nucleus of an atom?

A. Neutron

B. Electron

C. Proton

D. Photon

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Which law states that the force between two charges is inversely proportional to the square of the distance between them?

A. Coulomb's Law

B. Ohm's Law

C. Gauss's Law

D. Ampere's Law

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What is the SI unit of angular momentum?

A. Kilogram-meter per second

B. Joule-second

C. Newton-meter

D. Hertz

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What is the SI unit of half-life in radioactive decay?

A. Second

B. Year

C. Joule

D. Becquerel

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What is the SI unit of magnetic susceptibility?

A. No unit (dimensionless)

B. Tesla per meter

C. Ampere per meter

D. Weber

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What is the SI unit of electric field strength?

A. Volt per meter

B. Newton per coulomb

C. Coulomb per second

D. Ampere per meter

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What is the SI unit of magnetic flux in the CGS system?

A. Weber

B. Gauss

C. Tesla

D. Henry

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Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?

A. Boyle's Law

B. Charles's Law

C. Gay-Lussac's Law

D. Avogadro's Law

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Which of the following statements about gravity is true?

A. It is a contact force.

B. It is a repulsive force.

C. It is a conservative force.

D. It only acts on planets and stars.

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Which of the following statements about electric fields is true?

A. Electric fields always point towards positive charges.

B. Electric fields are vectors and have both magnitude and direction.

C. Electric fields only exist inside conductors.

D. Electric fields do not interact with magnetic fields.

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Which of the following is an example of a vector quantity?

A. Mass

B. Speed

C. Distance

D. Velocity

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What is the SI unit of frequency in the CGS system?

A. Hertz

B. Rad/s

C. Cycles per second

D. Revolutions per minute

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What is the SI unit of magnetic field strength?

A. Tesla

B. Weber

C. Gauss

D. Ampere

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Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?

A. Faraday's Law of Electromagnetic Induction

B. Lenz's Law

C. Ohm's Law

D. Ampere's Law

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What is the process by which a gas changes into a liquid?

A. Vaporization

B. Condensation

C. Sublimation

D. Fusion

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What is the SI unit of energy in the CGS system?

A. Erg

B. Joule

C. Newton-meter

D. Watt-hour

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What is the SI unit of angular acceleration?

A. Rad/s²

B. m/s²

C. Hz

D. Nm

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Which law states that the total momentum of an isolated system remains constant if no external forces act on it?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Conservation of Momentum

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What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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What is the SI unit of electric charge in the CGS system?

A. Statcoulomb

B. Coulomb

C. Ampere-hour

D. Franklin

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Which of the following statements about circular motion is true?

A. The centripetal force acts outward from the center of the circle.

B. Angular velocity is constant in circular motion.

C. The velocity of an object in circular motion is constant.

D. Acceleration is directed towards the center of the circle.

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Which of the following is a type of nuclear radiation that consists of high-energy photons?

A. Alpha radiation

B. Beta radiation

C. Gamma radiation

D. Neutron radiation

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What is the SI unit of energy?

A. Joule

B. Watt

C. Newton

D. Volt

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Which type of nuclear decay releases an alpha particle?

A. Alpha decay

B. Beta decay

C. Gamma decay

D. Positron emission

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Which of the following is an example of a simple machine?

A. Lever

B. Inclined plane

C. Pulley

D. All of the above

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Which law states that the total energy in an isolated system remains constant?

A. Law of Conservation of Energy

B. Law of Conservation of Momentum

C. Law of Conservation of Mass

D. Law of Universal Gravitation

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What is the SI unit of electric charge in the MKS system?

A. Coulomb

B. Statcoulomb

C. Ampere

D. Franklin

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What is the phenomenon where light waves oscillate in a single plane?

A. Polarization

B. Diffraction

C. Interference

D. Dispersion

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What is the law that states the total electric charge in a closed system is constant?

A. Coulomb's Law

B. Ohm's Law

C. Conservation of Charge

D. Ampere's Law

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What is the phenomenon where a wave undergoes a change in direction due to a change in medium?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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Accepted Answer

A. Radioactive decay

What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?

Correct Answer :

Show all AP Physics MCQ

Related Questions

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