Questions and Answers
What is radiant energy?
Give an example of energy transformation.
Photosynthesis converts light energy to chemical energy in plants.
What is an example of radiant energy?
X-rays in medicine.
Which of the following is NOT an example of radiant energy?
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Study Notes
Radiant Energy
- Defined as the energy carried by electromagnetic waves, encompassing a spectrum that includes radio waves, microwaves, infrared, visible light, ultraviolet, x-rays, and gamma rays.
Energy Transformation Examples
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Photosynthesis:
- Conversion of sunlight (radiant energy) into chemical energy by plants.
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Heating Food:
- Transformation of electrical energy into mechanical energy, which then converts to radiant energy and subsequently into thermal and chemical energy.
Examples of Radiant Energy
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Medical Use:
- X-rays utilized in medical imaging for diagnosis.
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Microwaves:
- Employed in cooking to heat food.
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Communication:
- Car radios and television stations rely on various electromagnetic waves for broadcasting.
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Ultraviolet Rays:
- Certain UV rays can cause cancer due to their high energy.
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Gamma Rays:
- Emitted during nuclear reactions, possessing high penetration abilities.
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Description
Test your knowledge of radiant energy and its transformations with these flashcards. Each card provides essential definitions and examples related to electromagnetic waves and energy conversion processes. Ideal for students studying physics or related fields.
