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Questions and Answers
What is the Planck constant?
What is the Planck constant?
- The speed of light in a vacuum
- The force required to move one unit of charge between two points in an electric field
- The measure of the disorder or randomness in a closed system
- A fundamental physical constant that is the quantum of action in quantum mechanics (correct)
What are the units of the Planck constant?
What are the units of the Planck constant?
- Meters per second
- Kilograms
- Watts
- Joule-seconds (correct)
How does the Planck constant relate to energy and frequency?
How does the Planck constant relate to energy and frequency?
- It is inversely proportional to the energy of a photon and directly proportional to the frequency of the photon
- It is directly proportional to the energy of a photon and inversely proportional to the frequency of the photon (correct)
- It is directly proportional to both the energy and frequency of a photon
- It has no relation to the energy and frequency of a photon
