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Physics Quiz
Physics · Easy
20 questions · Unlimited attempts · Free online practice
Physics is the fundamental science that explores the nature of matter, energy, space, and time. It investigates everything from subatomic particles to the large-scale structure of...
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All 20 questions in this Physics quiz
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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
-
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
-
Which physical constant represents the speed of light in a vacuum, the absolute speed limit of the universe?
- A. 299,792,458 m/s
- B. 343 m/s
- C. 150,000,000 m/s
- D. 1,080,000,000 m/s
-
What is the unit of measure for magnetic flux density (magnetic field strength)?
- A. Watt
- B. Ohm
- C. Tesla
- D. Henry
-
Which subatomic particle has a negative charge?
- A. Neutron
- B. Electron
- C. Nucleus
- D. Proton
-
In the context of wave properties, what is the 'amplitude' of a wave?
- A. The number of waves that pass a point per second
- B. The distance between two consecutive peaks
- C. The maximum displacement of the wave from its equilibrium position
- D. The speed at which the wave travels
-
Which of Newton's laws of motion is often called the 'Law of Inertia'?
- A. First Law
- B. Second Law
- C. Third Law
- D. Law of Universal Gravitation
-
What is the boiling point of water in Celsius?
- A. 90
- B. 110
- C. 100
- D. 120
-
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
-
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 type of circuit has only one path for current?
- A. Open
- B. Parallel
- C. Short
- D. Series
-
What is the primary unit of electric resistance?
- A. Volt
- B. Ampere
- C. Ohm
- D. Watt
-
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
-
What is the name for the 'particle' of light that carries electromagnetic radiation?
- A. Proton
- B. Neutron
- C. Photon
- D. Electron
-
Which type of light has a wavelength just slightly longer than the visible red part of the spectrum and is often used in thermal imaging?
- A. Ultraviolet
- B. X-ray
- C. Infrared
- D. Microwave
-
Which law states that the current passing through a conductor between two points is directly proportional to the voltage across the two points?
- A. Coulomb's Law
- B. Ohm's Law
- C. Faraday's Law
- D. Ampre's Law
-
Which of these is the SI unit for the amount of a substance, containing exactly 6.022 x 10^23 elementary entities?
- A. Kilogram
- B. Liter
- C. Mole
- D. Candela
-
What is the center of atom called?
- A. Nucleus
- B. Neutron
- C. Proton
- D. Electron
-
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