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- Subject
- Physics Mcqsphysics-mcqs
- Published
- 30 Aug 2024
- Last updated
- 28 May 2026
Explanation
A photon always travels at the speed of light in a vacuum. It cannot be at rest or accelerate, and it certainly does not move at the speed of sound.
More Physics Mcqs
Practice related questions from the same subject.
- 1.What type of waves are utilized in line-of-sight (LOS) communication systems?
- 2.A wire with a uniform cross-sectional area A, length L, and resistance R is divided into two segments. What happens to the resistivity of each segment?
- 3.When the voltage across a wire is increased to twice its original value, how does the drift velocity of the free electrons change?
- 4.Which device is utilized to visualize the trajectory of visible rays?
- 5.What is the term for the movement when a body rotates about an axis that runs through itself?
- 6.What is the formula that relates linear velocity to angular velocity?
- 7.What is the approximate velocity of Earth's orbit around the Sun?
- 8.What is the name of the electron's corresponding antiparticle?
Subcategories
- Alternating Current
- Atomic Spectra
- Circular Motion
- Current Electricity
- Electromagnetic Induction
- Electromagnetism
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- Introduction to Physics
- Measurements
- Modern Physics
- Motion and Force
- Nuclear Physics
- Optical Instruments
- Oscillations
- Physical Optics
- Physics Of Solids
- Vectors And Equilibrium
- Waves
- Work And Energy