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Questions and Answers
What is light energy?
What is light energy?
- A form of potential energy stored in photons
- A form of chemical energy emitted by hot objects
- A form of kinetic energy that makes different types of light visible to the human eyes (correct)
- A form of mechanical energy produced by light waves
What are photons?
What are photons?
- Units of light intensity
- Tiny packets of energy carried by light (correct)
- Particles that make up glass
- Waves that propagate light
How is light energy produced?
How is light energy produced?
- Through the reflection of light waves
- By the absorption of photons by an object
- When the atoms of an object get heated up, resulting in the production of photons (correct)
- Through the emission of electrons by hot objects
What is the nature of light according to the text?
What is the nature of light according to the text?
What is the primary characteristic of light energy?
What is the primary characteristic of light energy?
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Study Notes
Light Energy
- Light energy is a form of electromagnetic radiation that is visible to the human eye.
Photons
- Photons are massless particles that carry light energy.
Production of Light Energy
- Light energy is produced through various natural and artificial processes, such as electromagnetic transitions in atoms, thermal radiation, and nuclear reactions.
Nature of Light
- According to the text, light exhibits both wave-like and particle-like properties, demonstrating the principles of wave-particle duality.
Primary Characteristic of Light Energy
- The primary characteristic of light energy is its ability to travel through space in the form of electromagnetic waves, transmitting energy from one point to another.
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