What is the SI unit of angular acceleration?

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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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What is the phenomenon where light changes direction when passing from one medium to another?

A. Reflection

B. Diffraction

C. Refraction

D. Polarization

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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 of the following statements about kinetic friction is true?

A. It always opposes motion.

B. It is independent of the normal force.

C. It is greater than static friction.

D. It depends on the velocity of the object.

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What is the process by which a material becomes electrically charged when brought in contact with a charged object?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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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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What is the SI unit of electric potential difference?

A. Volt

B. Ampere

C. Ohm

D. Watt

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What is the process by which an atomic nucleus splits into smaller particles?

A. Radioactive decay

B. Nuclear fission

C. Nuclear fusion

D. Electron capture

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Which of the following statements about waves is true?

A. Longitudinal waves require a medium for propagation.

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

C. Electromagnetic waves are an example of mechanical waves.

D. Sound waves are an example of electromagnetic waves.

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What is the phenomenon where light waves oscillate in multiple planes?

A. Polarization

B. Diffraction

C. Dispersion

D. Interference

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What is the SI unit of electric potential energy?

A. Volt

B. Joule

C. Watt

D. Ohm

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Which of the following is a measure of a material's ability to conduct an electric current?

A. Conductance

B. Impedance

C. Susceptance

D. Inductance

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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 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 pressure?

A. Pascal

B. Newton

C. Joule

D. Watt

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What is the acceleration due to gravity on the surface of the Earth?

A. 9.8 m/s²

B. 6.67 × 10^-11 Nm²/kg²

C. 3.00 × 10^8 m/s

D. 1.6 m/s²

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What is the SI unit of inductance?

A. Henry

B. Farad

C. Ohm

D. Volt

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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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What is the process by which a liquid changes into a gas below its boiling point?

A. Evaporation

B. Vaporization

C. Condensation

D. Sublimation

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What is the process by which a gas changes into a solid without passing through the liquid phase?

A. Vaporization

B. Deposition

C. Sublimation

D. Condensation

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Which of the following statements about nuclear reactors is true?

A. They use nuclear fusion to generate electricity.

B. They control nuclear fission reactions to produce heat.

C. They primarily use coal as a fuel source.

D. They do not involve the release of radiation.

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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 law states that an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an external force?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Gravitation

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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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What is the phenomenon where a wave bounces back after striking a surface?

A. Refraction

B. Diffraction

C. Interference

D. Reflection

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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 heat energy?

A. Calorie

B. Joule

C. Newton-meter

D. Watt

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What is the SI unit of magnetic pole strength?

A. Ampere-meter

B. Weber

C. Tesla

D. Ampere

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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 a type of nuclear radiation that consists of high-speed electrons or positrons?

A. Alpha radiation

B. Beta radiation

C. Gamma radiation

D. Neutron radiation

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What is the SI unit of intensity of sound?

A. Watt per square meter

B. Decibel

C. Hertz

D. Pascal

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Accepted Answer

A. Rad/s²

What is the SI unit of angular acceleration?

Correct Answer :

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Related Questions

What is the phenomenon where light changes direction when passing from one medium to another?

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