About this Study Set
This study set covers Physics through
25 practice questions.
A collection of fundamental facts covering 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 25 questions from the
Foundations of Physics study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the standard unit of force in the International System of Units (SI)?
-
A
Joule
-
B
Newton
-
C
Watt
-
D
Pascal
2
Which form of energy is associated with the motion of an object?
-
A
Potential energy
-
B
Chemical energy
-
C
Kinetic energy
-
D
Elastic energy
3
What is the speed of light in a vacuum approximately equal to?
-
A
300,000 km/s
-
B
1,000 km/s
-
C
10,000 km/s
-
D
50,000 km/s
4
Which subatomic particle carries a negative electrical charge?
-
A
Proton
-
B
Neutron
-
C
Electron
-
D
Positron
5
What phenomenon causes light to bend when it passes from one medium to another?
-
A
Reflection
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B
Diffraction
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C
Refraction
-
D
Polarization
6
According to Newton's first law, what must happen for an object's state of motion to change?
-
A
Friction
-
B
An unbalanced force
-
C
Gravity
-
D
Constant speed
7
Which state of matter has a definite volume but no definite shape?
-
A
Solid
-
B
Gas
-
C
Plasma
-
D
Liquid
8
What is the primary source of the Earth's magnetic field?
-
A
The Moon
-
B
Solar wind
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C
The Earth's molten outer core
-
D
The atmosphere
9
What term describes the rate at which work is done?
-
A
Power
-
B
Energy
-
C
Force
-
D
Momentum
10
Which color of visible light has the longest wavelength?
-
A
Violet
-
B
Blue
-
C
Green
-
D
Red
11
What is the freezing point of water on the Celsius scale?
-
A
0 degrees
-
B
32 degrees
-
C
100 degrees
-
D
273 degrees
12
What describes the total amount of matter in an object?
-
A
Weight
-
B
Volume
-
C
Density
-
D
Mass
13
Which law states that energy cannot be created or destroyed, only transformed?
-
A
Law of Inertia
-
B
Law of Conservation of Energy
-
C
Hooke's Law
-
D
Ohm's Law
14
What do we call a material that does not allow electricity to flow through it easily?
-
A
Conductor
-
B
Semiconductor
-
C
Insulator
-
D
Superconductor
15
What is the center of an atom called?
-
A
Electron cloud
-
B
Nucleus
-
C
Shell
-
D
Orbit
16
What force pulls objects toward the center of the Earth?
-
A
Magnetism
-
B
Friction
-
C
Gravity
-
D
Tension
17
What happens to the pressure of a gas if its volume is decreased at a constant temperature?
-
A
It decreases
-
B
It increases
-
C
It remains the same
-
D
It becomes zero
18
Which simple machine consists of a rigid bar pivoting on a fulcrum?
-
A
Pulley
-
B
Lever
-
C
Screw
-
D
Wedge
19
What is the SI unit for electric resistance?
-
A
Volt
-
B
Ampere
-
C
Ohm
-
D
Watt
20
What term describes the distance between two consecutive peaks of a wave?
-
A
Amplitude
-
B
Frequency
-
C
Period
-
D
Wavelength
21
Which type of radiation consists of high-energy electromagnetic waves with the shortest wavelengths?
-
A
Radio waves
-
B
Microwaves
-
C
Gamma rays
-
D
Visible light
22
What is the primary method of heat transfer in solids?
-
A
Convection
-
B
Radiation
-
C
Conduction
-
D
Evaporation
23
Which of these is a measure of the average kinetic energy of particles in a substance?
-
A
Heat
-
B
Temperature
-
C
Density
-
D
Pressure
24
What is the phenomenon where a wave strikes a surface and bounces off?
-
A
Reflection
-
B
Refraction
-
C
Dispersion
-
D
Absorption
25
Which scientist is credited with the formulation of the laws of motion and universal gravitation?
-
A
Albert Einstein
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B
Nikola Tesla
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C
Isaac Newton
-
D
Galileo Galilei
