About this Study Set
This study set covers Physics through
20 practice questions.
A collection of objective questions covering classical mechanics, thermodynamics, electromagnetism, and optics. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 20 questions from the
Fundamentals of Physics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the SI unit of pressure?
-
A
Pascal
-
B
Joule
-
C
Watt
-
D
Newton
2
Which fundamental force is responsible for the binding of protons and neutrons within an atomic nucleus?
-
A
Electromagnetic force
-
B
Weak nuclear force
-
C
Strong nuclear force
-
D
Gravitational force
3
According to the first law of thermodynamics, what is conserved in an isolated system?
-
A
Entropy
-
B
Temperature
-
C
Mass
-
D
Energy
4
In a vacuum, how does the speed of light compare for different frequencies of electromagnetic radiation?
-
A
Higher frequency travels faster
-
B
Lower frequency travels faster
-
C
All frequencies travel at the same speed
-
D
Frequency does not affect speed only wavelength
5
Which principle states that the buoyant force on an object submerged in a fluid is equal to the weight of the fluid displaced by the object?
-
A
Bernoulli's principle
-
B
Archimedes' principle
-
C
Pascal's law
-
D
Hooke's law
6
What type of wave is a sound wave in air?
-
A
Transverse
-
B
Electromagnetic
-
C
Longitudinal
-
D
Polarized
7
What is the relationship between the period of a simple pendulum and its mass?
-
A
Period is directly proportional to mass
-
B
Period is inversely proportional to mass
-
C
Period is proportional to the square root of mass
-
D
Period is independent of mass
8
What is the elementary charge approximately equal to?
-
A
1.602 x 10^-19 Coulombs
-
B
9.109 x 10^-31 Coulombs
-
C
6.626 x 10^-34 Joules
-
D
1.38 x 10^-23 Joules/Kelvin
9
Which law describes the relationship between the current, voltage, and resistance in an electrical circuit?
-
A
Kirchhoff's law
-
B
Ohm's law
-
C
Faraday's law
-
D
Lenz's law
10
What is the phenomenon where light bends when passing from one medium to another of different density?
-
A
Reflection
-
B
Diffraction
-
C
Refraction
-
D
Polarization
11
Which subatomic particle has a neutral electric charge?
-
A
Proton
-
B
Electron
-
C
Neutron
-
D
Positron
12
In the context of the photoelectric effect, what determines the maximum kinetic energy of emitted electrons?
-
A
Intensity of the light
-
B
Frequency of the light
-
C
Duration of exposure
-
D
Surface area of the metal
13
What is the theoretical temperature at which all molecular motion ceases?
-
A
0 degrees Celsius
-
B
0 Kelvin
-
C
32 degrees Fahrenheit
-
D
273 Kelvin
14
Which quantity is defined as the rate of change of velocity over time?
-
A
Speed
-
B
Momentum
-
C
Acceleration
-
D
Force
15
What is the term for the amount of heat required to raise the temperature of one kilogram of a substance by one degree Celsius?
-
A
Latent heat
-
B
Thermal capacity
-
C
Specific heat capacity
-
D
Internal energy
16
According to General Relativity, gravity is described as:
-
A
An invisible force between masses
-
B
The curvature of spacetime
-
C
A exchange of gravitons
-
D
A electromagnetic interaction
17
What is the SI unit for magnetic flux?
-
A
Tesla
-
B
Weber
-
C
Henry
-
D
Gauss
18
Which of these describes the behavior of an ideal gas as temperature increases at a constant volume?
-
A
Pressure decreases
-
B
Pressure increases
-
C
Volume increases
-
D
Density decreases
19
What property of a wave remains constant when it passes from one medium into another?
-
A
Speed
-
B
Wavelength
-
C
Amplitude
-
D
Frequency
20
Which scientist is credited with formulating the laws of motion and universal gravitation?
-
A
Albert Einstein
-
B
Niels Bohr
-
C
Isaac Newton
-
D
Galileo Galilei
