Physics Quiz
Physics · Easy
20 questions · Unlimited attempts · Free online practice
Physics is the fundamental science that explains how the universe works, from the smallest subatomic particles to the largest galaxies. It explores matter, energy, motion, forces,...
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All 20 questions in this Physics quiz
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Which subatomic particle is the lightest and carries a negative electric charge?
- A. Proton
- B. Neutron
- C. Electron
- D. Quark
-
In optics, what is the term for the point where light rays originating from a point on an object converge after passing through a lens?
- A. Aperture
- B. Focus (or Focal Point)
- C. Optical Axis
- D. Parallax
-
What is the SI unit of force?
- A. Newton
- B. Joule
- C. Watt
- D. Pascal
-
What is the unit of work?
- A. Joule
- B. Watt
- C. Newton
- D. Pascal
-
What is the name for the energy an object possesses due to its motion?
- A. Potential Energy
- B. Thermal Energy
- C. Kinetic Energy
- D. Chemical Energy
-
Which subatomic particle has no charge?
- A. Proton
- B. Electron
- C. Neutron
- D. Positron
-
Which wave requires a medium to travel?
- A. Light
- B. X-ray
- C. Radio
- D. Sound
-
What is the term for the maximum speed an object can reach while falling through a fluid, like air?
- A. Sonic Speed
- B. Terminal Velocity
- C. Escape Velocity
- D. Critical Speed
-
What is the SI unit of frequency?
- A. Watt
- B. Joule
- C. Volt
- D. Hertz
-
What physical phenomenon occurs when light changes direction as it passes from one medium to another, such as from air into water?
- A. Reflection
- B. Diffraction
- C. Refraction
- D. Interference
-
What type of energy is stored in a compressed spring?
- A. Potential
- B. Nuclear
- C. Kinetic
- D. Thermal
-
What is the term for the shift in frequency of a wave in relation to an observer who is moving relative to the wave source?
- A. Compton Shift
- B. Doppler Effect
- C. Planck Shift
- D. Rayleigh Scattering
-
What does the 'm' stand for in the famous physics equation E=mc^2?
- A. Motion
- B. Momentum
- C. Mass
- D. Magnetic
-
What is the unit of force?
- A. Newton
- B. Joule
- C. Pascal
- D. Watt
-
Which material property describes its ability to conduct an electric current?
- A. Resistance
- B. Permittivity
- C. Conductivity
- D. Inductance
-
Which specific color of visible light has the longest wavelength and the lowest frequency?
- A. Blue
- B. Green
- C. Red
- D. Orange
-
What is the boiling point of water in Celsius?
- A. 90
- B. 110
- C. 100
- D. 120
-
What is the SI unit of power, defined as one joule per second?
- A. Volt
- B. Watt
- C. Ampere
- D. Newton
-
In atomic physics, what is the term for the regions around an atomic nucleus where there is a high probability of finding an electron?
- A. Orbits
- B. Shells
- C. Orbitals
- D. Positrons
-
What force pulls objects to Earth?
- A. Pressure
- B. Magnetism
- C. Gravity
- D. Friction