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Physics Quiz
Physics · Biology Quiz
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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In the context of fluid mechanics, what is 'Viscosity'?
- A. The density of the fluid
- B. The fluid's resistance to flow or deformation
- C. The pressure at the bottom of the fluid
- D. The speed of waves in the fluid
-
What is the standard value for the acceleration due to gravity on Earth's surface, often used in introductory physics calculations?
- A. 8.9 m/s
- B. 9.8 m/s
- C. 10.2 m/s
- D. 12.5 m/s
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What type of wave is a light wave?
- A. Longitudinal
- B. Mechanical
- C. Transverse
- D. Sound
-
Which type of mirror is curved inward and can be used to focus light to a single point, often used in reflecting telescopes?
- A. Plane Mirror
- B. Convex Mirror
- C. Concave Mirror
- D. Bifocal Mirror
-
Which specific color of visible light has the longest wavelength and the lowest frequency?
- A. Blue
- B. Green
- C. Red
- D. Orange
-
Which energy source comes from the heat of the Earth?
- A. Geothermal
- B. Hydroelectric
- C. Solar
- D. Wind
-
Which mirror is used as a rearview mirror in vehicles?
- A. Bifocal
- B. Plane
- C. Convex
- D. Concave
-
What is the SI unit of force?
- A. Newton
- B. Joule
- C. Watt
- D. Pascal
-
Which scientist proposed theory of relativity?
- A. Tesla
- B. Galileo
- C. Einstein
- D. Newton
-
What type of circuit has only one path for current?
- A. Open
- B. Parallel
- C. Short
- D. Series
-
What is the unit of measure for magnetic flux density (magnetic field strength)?
- A. Watt
- B. Ohm
- C. Tesla
- D. Henry
-
What is the name for the specific frequency at which a system naturally tends to oscillate in the absence of any driving or damping force?
- A. Resonant Frequency
- B. Harmonic Frequency
- C. Beat Frequency
- D. Modulated Frequency
-
Which thermodynamic cycle represents the most efficient possible heat engine allowed by the laws of physics?
- A. Otto Cycle
- B. Rankine Cycle
- C. Carnot Cycle
- D. Diesel Cycle
-
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
-
Which of the four fundamental forces is responsible for the radioactive decay of subatomic particles?
- A. Gravity
- B. Electromagnetism
- C. Strong Nuclear Force
- D. Weak Nuclear Force
-
What is the name for the 'particle' of light that carries electromagnetic radiation?
- A. Proton
- B. Neutron
- C. Photon
- D. Electron
-
What is the term for the bending of waves around the corners of an obstacle or through an aperture into the region of geometrical shadow?
- A. Refraction
- B. Reflection
- C. Diffraction
- D. Dispersion
-
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 term for the 'spooky' quantum phenomenon where two particles become linked and the state of one instantly influences the other, regardless of distance?
- A. Superposition
- B. Tunneling
- C. Entanglement
- D. Decoherence
-
What physical law describes the force between two stationary, electrically charged particles?
- A. Newton's Second Law
- B. Ohm's Law
- C. Coulomb's Law
- D. Faraday's Law