Physics Fundamentals Quiz

Question 1

What is the speed of light in a vacuum?

Accepted Answer

300,000 km/s

Answer

150,000 km/s

Answer

3,000,000 km/s

Answer

30,000 km/s

Question 2

What is Newton's First Law of Motion?

Accepted Answer

An object stays at rest or in motion unless acted on by a force

Answer

F = ma

Answer

Action and reaction are equal and opposite

Answer

Energy cannot be created or destroyed

Question 3

What does E = mc² represent?

Accepted Answer

The relationship between mass and energy

Answer

The theory of gravity

Answer

The speed of electromagnetic waves

Answer

The law of conservation of momentum

Question 4

What is the unit of electrical resistance?

Accepted Answer

Ohm

Answer

Volt

Answer

Ampere

Answer

Watt

Question 5

What type of energy does a moving object possess?

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Chemical energy

Answer

Thermal energy

Question 6

What is the gravitational acceleration on Earth's surface (approximately)?

Accepted Answer

9.8 m/s²

Answer

8.9 m/s²

Answer

10.8 m/s²

Answer

11.2 m/s²

Question 7

What is the frequency of a wave?

Accepted Answer

The number of wave cycles per second

Answer

The height of a wave

Answer

The distance between wave peaks

Answer

The speed of the wave

Question 8

Which scientist discovered gravity after (reportedly) watching an apple fall?

Accepted Answer

Isaac Newton

Answer

Galileo Galilei

Answer

Albert Einstein

Answer

Robert Hooke

Question 9

What is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 10

What does a concave lens do to parallel rays of light?

Accepted Answer

Diverges them outward

Answer

Converges them to a focal point

Answer

Has no effect

Answer

Reflects them back

Question 11

What is the law of conservation of energy?

Accepted Answer

Energy cannot be created or destroyed, only transformed

Answer

Energy is always lost as heat

Answer

Energy can be created from matter

Answer

Energy always increases in a system

Question 12

What particle has a negative electric charge?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Positron

Question 13

What is Ohm's Law?

Accepted Answer

V = IR

Answer

P = IV

Answer

F = ma

Answer

E = mc²

Question 14

What type of wave does NOT require a medium to travel through?

Accepted Answer

Electromagnetic waves

Answer

Sound waves

Answer

Water waves

Answer

Seismic waves

Question 15

What is the Doppler effect?

Accepted Answer

The change in observed frequency due to relative motion

Answer

Light bending around massive objects

Answer

The splitting of white light into colours

Answer

The reflection of sound off surfaces

Question 16

What are the three types of nuclear radiation?

Accepted Answer

Alpha, Beta, Gamma

Answer

X-ray, Gamma, UV

Answer

Infrared, X-ray, Gamma

Answer

Alpha, Neutron, Gamma

Question 17

What does a transformer do?

Accepted Answer

Changes the voltage of AC electricity

Answer

Converts AC to DC current

Answer

Stores electrical energy

Answer

Generates electricity from motion

Question 18

What is the name of the force that opposes motion between two surfaces in contact?

Accepted Answer

Friction

Answer

Gravity

Answer

Tension

Answer

Normal force

Question 19

What is absolute zero?

Accepted Answer

-273.15°C

Answer

-100°C

Answer

-200°C

Answer

-373.15°C

Question 20

Which colour of visible light has the longest wavelength?

Accepted Answer

Red

Answer

Violet

Answer

Blue

Answer

Yellow