What is the SI unit of force?
C.Newton
Physics Trivia
Test your knowledge of physics. Motion, energy, light, and electricity.
25 questions
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What is the SI unit of energy?
A.Joule
What is the approximate acceleration due to gravity on Earth?
B.9.8 m/s²
What is the approximate speed of light in a vacuum?
C.300,000 km/s
What type of energy does a moving object have?
A.Kinetic energy
What is the SI unit of electric current?
C.Ampere
Newton's first law of motion is often called the law of what?
D.Inertia
What is the SI unit of power?
D.Watt
Sound travels fastest through which medium?
B.Solids
What is the unit of electrical resistance?
C.Ohm
The bending of light when it passes from one medium to another is called what?
D.Refraction
What type of wave is sound?
C.Longitudinal wave
What is the SI unit of pressure?
D.Pascal
According to Newton's third law, for every action there is an equal and opposite what?
A.Reaction
What is the lowest possible temperature on the Kelvin scale?
D.0 K (absolute zero)
What does E = mc² describe?
C.Mass-energy equivalence
Who developed the theory of general relativity?
C.Albert Einstein
What is the SI unit of frequency?
A.Hertz
In a simple circuit, voltage equals current multiplied by what?
D.Resistance
What is the phenomenon when a wave bounces off a surface?
A.Reflection
Momentum is the product of mass and what?
C.Velocity
What type of lens is thicker in the middle and converges light?
B.Convex lens
Absolute zero in Celsius is closest to which temperature?
B.-273°C
What is the unit of electric charge?
D.Coulomb
Work is calculated as force multiplied by what?
A.Distance