🔬
Physics Quiz
Physics · Medium
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,...
Playing as a guest
You can play free without an account. Create one to save scores and resume later.
Question of
Explanation:
Choose an answer to continue. Correct answers are revealed after you finish.
Time is up! Quiz Complete!
Your score
Correct
Wrong
Want this score saved?
Create a free account to store quiz history, track streaks, and pick up where you left off. Guests can keep playing without signup.
No questions available for this topic yet.
All 20 questions in this Physics quiz
-
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
-
What is the speed of light in a vacuum?
- A. 100,000 km/s
- B. 300,000 km/s
- C. 150,000 km/s
- D. 500,000 km/s
-
Which mirror is used in vehicles?
- A. Concave
- B. Spherical
- C. Plane
- D. Convex
-
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
-
What is the SI unit of electric current?
- A. Ohm
- B. Volt
- C. Ampere
- D. Watt
-
Which law relates Voltage, Current and Resistance?
- A. Pascal's Law
- B. Ohm's Law
- C. Newton's Law
- D. Boyle's Law
-
Which material was discovered in 2004 to be a 2D sheet of carbon atoms with incredible strength and conductivity?
- A. Carbon Nanotubes
- B. Graphene
- C. Fullerenes
- D. Graphite
-
What is the frequency range of human hearing?
- A. 1MHz
- B. 100Hz to 100kHz
- C. 5Hz to 5kHz
- D. 20Hz to 20kHz
-
In quantum mechanics, which principle states that it is impossible to simultaneously measure a particle's exact position and exact momentum?
- A. Pauli Exclusion Principle
- B. Heisenberg Uncertainty Principle
- C. Schrdinger's Equation
- D. Compton Effect
-
Which of these forces is the weakest of the four fundamental interactions of nature?
- A. Strong Nuclear Force
- B. Weak Nuclear Force
- C. Electromagnetism
- D. Gravity
-
Which type of lens is thinner in the middle than at the edges and causes light rays to spread apart?
- A. Convex Lens
- B. Concave Lens (Diverging Lens)
- C. Bifocal Lens
- D. Cylindrical Lens
-
Which fundamental law of thermodynamics states that the entropy of an isolated system can never decrease over time?
- A. First Law
- B. Second Law
- C. Third Law
- D. Zeroth Law
-
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
-
Which energy source comes from the heat of the Earth?
- A. Geothermal
- B. Hydroelectric
- C. Solar
- D. Wind
-
Which property of a wave describes the time it takes for one complete cycle to pass a given point?
- A. Frequency
- B. Wavelength
- C. Period
- D. Velocity
-
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
-
What is the measure of the average kinetic energy of particles?
- A. Temperature
- B. Pressure
- C. Heat
- D. Entropy
-
What is the term for the process where a gas is converted directly into a solid without becoming a liquid first?
- A. Sublimation
- B. Evaporation
- C. Deposition
- D. Condensation
-
What is Newtons third law about?
- A. Action-Reaction
- B. Motion
- C. Gravity
- D. Energy
-
Which mirror is used as a rearview mirror in vehicles?
- A. Bifocal
- B. Plane
- C. Convex
- D. Concave