HOW STUFF WORKS
QUIZZES

Let's Get Physical: The Physics Quiz
by Staff
Leptons, and atoms and bosons, oh my! New discoveries in physics happen so fast that even skilled scientists find it hard to keep up. See how much you know about famous physicists and theories old and new in this challenging yet fascinating field.

### What is the speed of light?

• 186,000 miles per second (299,338 kilometers per second)
• 1.86 million miles per second
• infinite

• 17th century
• 18th century
• 19th century

### Which of the following is NOT one of Newton's three laws of motion?

• Every action has an equal and opposite reaction.
• An object in motion will stay in motion unless acted upon by a force.
• At a given mass, the pressure times volume of a gas will stay constant as long as temperature does.

• squarks
• quarks
• quicks

### Which of the following is Augustin-Jean Fresnel best remembered for?

• his work in quantum mechanics
• the discovery of the planet Neptune
• the wave theory of light

### What technology won the first Nobel Prize in physics in 1901?

• X-rays
• nuclear fusion

• true
• false

### Which of the following is NOT one of the four fundamental forces in physics?

• gravitational
• acceleration
• electromagnetism

• television
• telephone

• true
• false

### What two measurements are captured by Boyle's law?

• density and energy
• pressure and volume
• temperature and acceleration

### Where can you find the world's largest particle accelerator?

• Switzerland
• United States
• Russia

### Which of these two measurements will allow you to easily determine the density of an object?

• mass and temperature
• mass and acceleration
• mass and volume

• true
• false

### What is the "c" in Einstein's famous equation, e=mc<sup>2</sup>?

• speed of light
• Planck's constant
• acceleration

• true
• false

### What is J. Robert Oppenheimer remembered for?

• giving neutrinos their name
• the atomic bomb
• the discovery of numerous unknown stars

### What happens during fission?

• an atom divides in two
• two atoms join as one
• no one knows

• true
• false

• temperature
• mass
• density

### What is gravity like inside a black hole?

• nonexistent
• incredibly strong
• the same as it is outside of the black hole

• meson
• baryon
• neutrino

• meson
• baryon
• neutrino

### Which of these is the best representation of Planck's constant?

• energy equals mass times acceleration
• energy equals pressure times density
• energy times time equal action

• true
• false

• true
• false

• true
• false

• none
• just a few
• billions

### What is Stephen Hawking's main field of study?

• cosmology
• quantum mechanics
• optics

• four
• six
• 10
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