Physics Laws Quiz

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Date:

Instructions: From Newton to Einstein, test your recall of the fundamental laws and principles of physics.

1.
What does Newton's first law of motion describe?
A
Every action has an equal and opposite reaction
B
Force equals mass times acceleration
C
An object at rest stays at rest unless acted upon
D
Energy cannot be created or destroyed
2.
What is the formula for Einstein's famous mass-energy equivalence?
A
E = mc²
B
E = mgh
C
E = ½mv²
D
E = mv
3.
Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?
A
Gay-Lussac's Law
B
Avogadro's Law
C
Charles's Law
D
Boyle's Law
4.
What does the law of conservation of energy state?
A
Energy is only conserved in closed systems
B
Energy can be created from nothing
C
Energy always decreases over time
D
Energy cannot be created or destroyed, only transformed
5.
Which scientist formulated the laws of planetary motion?
A
Tycho Brahe
B
Galileo Galilei
C
Nicolaus Copernicus
D
Johannes Kepler
6.
What does Ohm's Law relate?
A
Mass and velocity
B
Force and acceleration
C
Voltage, current, and resistance
D
Pressure and volume
7.
Which law explains why a boat floats on water?
A
Bernoulli's Principle
B
Pascal's Law
C
Archimedes' Principle
D
Newton's Third Law
8.
What is the speed of light in a vacuum, approximately?
A
1,000,000 km/s
B
150,000 km/s
C
500,000 km/s
D
300,000 km/s
9.
Which law states that the total entropy of an isolated system always increases over time?
A
Zeroth Law of Thermodynamics
B
First Law of Thermodynamics
C
Second Law of Thermodynamics
D
Third Law of Thermodynamics
10.
What force keeps the planets in orbit around the Sun?
A
Nuclear force
B
Electromagnetic force
C
Gravitational force
D
Centrifugal force
11.
Who proposed that light behaves as both a wave and a particle?
A
Albert Einstein
B
Louis de Broglie
C
Niels Bohr
D
Max Planck
12.
Which principle states that it is impossible to know both the position and momentum of a particle exactly?
A
Pauli Exclusion Principle
B
Schrödinger's Equation
C
Bohr's Correspondence Principle
D
Heisenberg Uncertainty Principle
13.
What is Newton's second law of motion expressed as?
A
V = IR
B
E = mc²
C
P = mv
D
F = ma
14.
Which law describes how a changing magnetic field creates an electric field?
A
Gauss's Law
B
Faraday's Law of Induction
C
Coulomb's Law
D
Ampere's Law
15.
What is the unit of force in the International System of Units?
A
Watt
B
Joule
C
Pascal
D
Newton

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