Physical Sciences (PHS-100) Final Exam Quiz

Which of the following is NOT a step in the scientific method?

• Formulation of problem

• Observation & experiment

• Interpretation

• Publication

Who developed the heliocentric theory that the earth and planets follow circular orbits around the sun?

• Newton

• Kepler

• Copernicus

• Ptolemy

What is the SI unit of force?

• Newton

• Watt

• Joule

• Pascal

Which of the following is a vector quantity?

• Speed

• Displacement

• Time

• Distance

What is the acceleration due to gravity for objects in free fall at the earth's surface?

• 9.8 m/s²

• 9.8 m/s

• 9.8 km/s²

• 9.8 m²/s

Which law states that the volume of a gas is inversely proportional to its pressure when the temperature is held constant?

• Charles's law

• Boyle's law

• Archimedes' principle

• Ideal gas law

What is the unit of electric charge?

• Ohm

• Coulomb

• Volt

• Ampere

Which of the following is NOT a type of radioactive decay?

• Beta decay

• Alpha decay

• Delta decay

• Gamma decay

What is the speed of light in a vacuum?

• 3 × 10⁶ m/s

• 3 × 10⁷ m/s

• 3 × 10⁹ m/s

• 3 × 10⁸ m/s

Which of the following is a measure of the tendency of a rotating object to continue rotating?

• Kinetic Energy

• Linear Momentum

• Potential Energy

• Angular Momentum