How Well Do You Know the Basic Laws of Physics?

By: Heather Cahill
Estimated Completion Time
3 min
How Well Do You Know the Basic Laws of Physics?
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About This Quiz

Have you ever looked at a moving object and wondered what its trajectory was?  If so, you've found the right quiz! If you were a star student in your high school physics class or an AP physics ace, then you surely know all about the foundations of modern physics. You could probably even figure out the density of an apple in no time at all! Think you're on the level of the likes of Isaac Newton?

Do you know which law has to do with one of the most famous equations in the world? What about the law that calculates velocity? Do you know which law has to do with electrical currents? Can you identify how the Doppler Effect works? If you can answer these, you'll have no trouble with this quiz!

Do you know all about Newton's Laws of Motion? What about Einstein's Theory of Relativity? Do you know all about Joule's Laws? Although there are so many laws to know, they all play an important role in physics.

So, physics experts, this is your time to show your skills in the basics of the science. If you think you know the most important laws in physics, prove it by taking this quiz!

Which law is also known as the Law of Refraction?
Hall effect
Theory of Relativity
Snell's Law
Newton's Laws of Motion
Correct Answer
Wrong Answer

Snell's Law is also known as the law of refraction because it involves the refraction of light. When light shines through something, the light becomes affected, which is explained by the law.

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What sense does the Doppler Effect affect?
hearing
taste
touch
It doesn't affect any senses.
Correct Answer
Wrong Answer

The Doppler Effect affects hearing, as it can be experienced through sound and also sight through light waves. Walk away from loud music and you can experience the effect for yourself!

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What does the continuity equation calculate?
temperature
volume
density
flow rate
Correct Answer
Wrong Answer

The continuity equation determines the flow rate of a substance. It does this by multiplying area by velocity, which in turn gives the speed of the substance.

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This law can tell you how gas behaves. What is it?
Ideal Gas Law
Coulomb's Law
Kirchhoff's Rules
Lambert's Laws
Correct Answer
Wrong Answer

The ideal gas law uses an equation to determine the behavior of the gas. The equation takes moles of gas, gas constant and temperature to find the pressure and volume.

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How many laws are there in Newton's Laws of Motion?
one
two
three
ten
Correct Answer
Wrong Answer

There are three laws in Newton's Laws of Motion. Perhaps one of his most famous law is "For every action, there is an equal and opposite reaction." This one could be applied to life as well!

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Which law detects radiation from a black body which also absorbs radiation?
Gauss's Law
Newton's Laws of Motion
Van der Waals Force
Planck's Law
Correct Answer
Wrong Answer

This is Planck's Law, which was discovered by Max Planck. In addition to black bodies, there are also white bodies which act differently, as they reflect rather than absorb.

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Which law relates to the force placed on particles?
Dulong-Petit Law
Conservation law
General relativity
Coulomb's Law
Correct Answer
Wrong Answer

This is Coulomb's Law, which also has to do with the attraction and repulsion of the particles. The law is also very important to electromagnetism and it was founded by Charles Augustin de Coulomb.

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Which of the following is related to the equivalence principle?
atoms
trajectory
volume
gravity
Correct Answer
Wrong Answer

The equivalence principle is related to gravity and it is also related to Einstein's Theory of Relativity. It can also relate to the concept of an object free falling, which also involves gravity.

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Which law deals with the magnetic field around a current?
Curie's Law
Newton's Laws of Motion
Charles' Law
Ampere's Law
Correct Answer
Wrong Answer

Ampere's Law is the correct answer here. It was named after André-Marie Ampère, and you may even recognize an ampere as a unit of electrical currents.

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Which law is often synonymous with the term "ray of light"?
Superposition Principle
Van der Waals Force
Planck's Law
Fermat's Principle
Correct Answer
Wrong Answer

Fermat's Principle deals with rays of light and how they reflect and refract. The principle also helps to figure out the angles that the light rays go in after being reflected off a mirror.

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What does classical mechanics refer to?
the physics of visible objects
the physics of small objects
the physics of celestial objects
the physics inside the atmosphere
Correct Answer
Wrong Answer

Classical mechanics have to do with visible objects and their physics. This can be anything from a baseball to a rocket ship or anything else that is moving.

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Which of the following does Hooke's Law call for in order to expand something?
density
force
volume
velocity
Correct Answer
Wrong Answer

Hooke's Law says that you need to have force for certain objects to expand. It mostly affects solid objects and, very commonly, springs due to their ability to stretch and expand.

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What type of substance does the Joule-Thomson Effect relate to?
solid
frozen substances
liquid
gas
Correct Answer
Wrong Answer

The Joule-Thomson Effect is all about the temperature of gases. It also means that the gas is throttled and in the process, the temperature is also affected.

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Which law is about how light reacts when shone through a substance?
Doppler Effect
Ohm's Law
Lambert's Laws
Newton's Laws of Motion
Correct Answer
Wrong Answer

This is Lambert's Law, which when put in to practice, is easy to see. If you shine light through a substance, it will react differently depending on what the substance is.

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What does Einstein's Energy-Mass Equation state?
Mass is always greater than energy.
Energy is always greater than mass.
Energy is always equivalent to mass.
Energy is always less than mass.
Correct Answer
Wrong Answer

This law states that energy and mass are always equivalent to each other. You may recognize this better by Einstein's famous equation, E=mc2.

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Which law is used to describe a current traveling from point A to point B?
Fermat's Principle
Ideal Gas Law
Superposition Principle
Ohm's Law
Correct Answer
Wrong Answer

The equation for Ohm's Law is I=V/R where "I" stands for current, "V" is for voltage and "R" is for resistance. The law was discovered and named after Georg Ohm, who was able to find out about it after conducting experiments.

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How many rules are part of Kirchhoff's Rules?
one
two
three
four
Correct Answer
Wrong Answer

There are two parts to Kirchhoff's Rules. One is the loop rule, and the other is the junction rule. The rules apply to a circuit with a current that runs through it.

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Which of Newton's Laws are important to Lenz's Law?
first
second
third
None of them apply.
Correct Answer
Wrong Answer

The third law is very important to Lenz's law. The best way to understand Lenz's law is to remember that a certain force can affect the magnetic field found near a current.

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Which law deals with the volume of something?
Charles' Law
Snell's Law
Ohm's Law
Doppler Effect
Correct Answer
Wrong Answer

Charles' Law is all about the volume of something which divides volume by temperature to get the constant. The pressure is also an important factor here as the temperature and volume vary.

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Which law states that two variables cannot be exact at the same time?
Doppler's Effect
Charles' Law
Gauss's Law
Uncertainty Principle
Correct Answer
Wrong Answer

This is the uncertainty principle, which was discovered by Werner Heisenberg. Did you know that this law only applies to very small objects? Think of atoms and molecules as examples of this law.

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Wave-Particle Duality is part of what type of physics?
quantum mechanics
classical mechanics
individual mechanics
proper mechanics
Correct Answer
Wrong Answer

Wave-Particle Duality is part of quantum mechanics. This law places importance on both waves and particles as the name suggests and notes that the two work together.

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Which law uses this equation? M=C B/T
Planck's Law
Uncertainty Principle
Hall effect
Curie's Law
Correct Answer
Wrong Answer

Curie's law is used in relation to magnetic fields. The equation solves to find the amperes through the magnetic field, temperature and Curie constants.

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Which of the following laws explains a weak bond?
Wave-Particle Duality
Energy-Mass Equation
Van der Waals Force
Superposition Principle
Correct Answer
Wrong Answer

Van der Waals Force is the law that explains this. It works through attraction, which brings the molecules together. Since the attraction is weak, it is easily broken.

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You'll know this law if there are different voltages in your current. What is it?
Hall effect
Uncertainty Principle
Lenz's Law
Coulomb's Law
Correct Answer
Wrong Answer

There are different types of Hall effects, but the most common one is a voltage difference in a current. This is achieved through a conductor placed near the magnetic field which changes the current.

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Which of the following does not have to do with Bernoulli's Equation?
elevation
pressure
traction
velocity
Correct Answer
Wrong Answer

Traction has nothing to do with the equation. Velocity, elevation and pressure are all important in the equation as they are used to determine the values in relation to fluid.

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Which law is used to determine how much heat something can take?
Coulomb's Law
General relativity
Conservation law
Dulong-Petit Law
Correct Answer
Wrong Answer

The law measures the heat capacity through gas constant. Have you heard of the Einstein solid model? This plays a big role in the realms of this law.

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What is needed to determine the Mach number?
flow velocity and speed
trajectory and velocity
force and trajectory
force and density
Correct Answer
Wrong Answer

Flow velocity and speed are needed in order to find the Mach number. As Mach is a speed, it can also be converted into other units as well.

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Brownian motion is the movement of what?
air
vehicles
particles
people
Correct Answer
Wrong Answer

Brownian motion is the movement of particles inside liquid. With this law, there are typically many tiny particles that collide with one larger particle that moves through.

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What does quantum mechanics refer to?
the physics of the unknown
the physics of a rocketship
the physics of nature
the physics of atoms and molecules
Correct Answer
Wrong Answer

Quantum mechanics is all about the little things that we can't see. It's the study of how atoms and molecules interact and move as well as their energy levels.

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Which law studies two factors that can affect something and the outcome?
Fermat's Principle
Theory of Relativity
Superposition Principle
Gauss's Law
Correct Answer
Wrong Answer

This is the superposition principle, which takes into account the effect or reaction that two things have on something. For example, if you throw a rock on water you are demonstrating superposition.

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What does the Copernican Principle state is not in any particular position?
the Sun
Mercury
Pluto
Earth
Correct Answer
Wrong Answer

The Copernican Principle says that the Earth's position is not strategic or placed in any particular manner. Less physics, but more for the understanding of our world in relation to the universe.

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The conservation of energy is an example of what law?
Coulomb's Law
Lenz's Law
Dulong-Petit Law
Conservation law
Correct Answer
Wrong Answer

The conservation law applies to many things including energy. It means that as a unit evolves, its physical self stays the same and will not change no matter what.

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What increases in order to make the Compton Effect?
volume
speed
trajectory
wavelength
Correct Answer
Wrong Answer

In order to create the Compton Effect, the wavelength must increase. In turn, energy is compromised. The effect also involves photons, electrons and the scattering of the wavelengths.

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Which of the following is part of Einstein's Theory of Relativity?
Coulomb's Law
Uncertainty Principle
Hall effect
General relativity
Correct Answer
Wrong Answer

General relativity is part of Einstein's Theory of Relativity. This part of the theory refers to space and the objects found there. The other part, special relativity, refers to space as well, but time is also involved.

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Which law deals with energy and electric charges in enclosed areas?
Doppler Effect
Lambert's Laws
Gauss's Law
Hall effect
Correct Answer
Wrong Answer

This is Gauss's Law, which has many similarities to a few other equations and concepts. For example, there are two other laws which are used for gravity and magnetism. The equation itself is usually solved for the electric field.

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