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Questions and Answers
What is a photon?
What is a photon?
- A particle that exhibits properties of both waves and particles
- A particle that carries mass and moves at the speed of light
- An elementary particle that is a quantum of the electromagnetic field (correct)
- A particle that belongs to the class of fermion particles
What is the speed of light in vacuum?
What is the speed of light in vacuum?
- 299,792,458 m/s (correct)
- 30,000,000 m/s
- 186,282 mi/s
- 200,000,000 m/s
Who originated the modern photon concept?
Who originated the modern photon concept?
- Max Planck
- Niels Bohr
- Albert Einstein (correct)
- Werner Heisenberg
To which class of particles does a photon belong?
To which class of particles does a photon belong?
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What does a photon exhibit according to quantum mechanics?
What does a photon exhibit according to quantum mechanics?
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Study Notes
Photon Basics
- A photon is a massless particle that represents a quantum of light or electromagnetic radiation.
- The speed of light in a vacuum is approximately 299,792,458 meters per second (m/s) or 186,282 miles per second (mi/s).
Origin and Classification
- The modern photon concept was originated by Albert Einstein.
- A photon belongs to the class of particles called bosons, which are a type of subatomic particle that carries forces.
Quantum Mechanics
- According to quantum mechanics, a photon exhibits both wave-like and particle-like properties, known as wave-particle duality.
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