Quiz: How Well Do You Know the Basic Laws of Physics?: HowStuffWorks
How Well Do You Know the Basic Laws of Physics?
6 Min Quiz
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?
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.
What sense does the Doppler Effect affect?
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!
What does the continuity equation calculate?
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.
This law can tell you how gas behaves. What is it?
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.
How many laws are there in Newton's Laws of Motion?
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!
Which law detects radiation from a black body which also absorbs radiation?
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.
Which law relates to the force placed on particles?
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.
Which of the following is related to the equivalence principle?
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.
Which law deals with the magnetic field around a current?
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.
Which law is often synonymous with the term "ray of light"?
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.
What does classical mechanics refer to?
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.
Which of the following does Hooke's Law call for in order to expand something?
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.
What type of substance does the Joule-Thomson Effect relate to?
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.
Which law is about how light reacts when shone through a substance?
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.
What does Einstein's Energy-Mass Equation state?
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.
Which law is used to describe a current traveling from point A to point B?
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.
How many rules are part of Kirchhoff's Rules?
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.
Which of Newton's Laws are important to Lenz's Law?
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.
Which law deals with the volume of something?
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.
Which law states that two variables cannot be exact at the same time?
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.
Wave-Particle Duality is part of what type of physics?
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.
Which law uses this equation? M=C B/T
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.
Which of the following laws explains a weak bond?
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.
You'll know this law if there are different voltages in your current. What is it?
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.
Which of the following does not have to do with Bernoulli's Equation?
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.
Which law is used to determine how much heat something can take?
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.
What is needed to determine the Mach number?
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.
Brownian motion is the movement of what?
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.
What does quantum mechanics refer to?
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.
Which law studies two factors that can affect something and the outcome?
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.
What does the Copernican Principle state is not in any particular position?
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.
The conservation of energy is an example of what law?
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.
What increases in order to make the Compton Effect?
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.
Which of the following is part of Einstein's Theory of Relativity?
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.
Which law deals with energy and electric charges in enclosed areas?
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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