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USC / Geology / GEOL 241Lg / How are wavelength frequency and energy related to each other?

How are wavelength frequency and energy related to each other?

How are wavelength frequency and energy related to each other?

Description

School: University of Southern California
Department: Geology
Course: Energy Systems
Term: Spring 2017
Tags: Energy
Cost: 25
Name: GEOL 241 lecture 3 - Energy Transformation
Description: energy transformation and law of thermodynamics
Uploaded: 02/09/2017
2 Pages 85 Views 2 Unlocks
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Energy Transformation & Laws of Thermodynamics Tuesday,  February 7, 2017 2:26 PM


How are wavelength frequency and energy related to each other?



Electromagnetic Energy (light)

Photons = packets of electromagnetic energy, often called electromagnetic  

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radiation

- Photons behave like particles and like waves  

- Types of electromagnetic energy (visible, IR, UV, radio waves) - Distinguished by energy, wavelength and frequency (all related to each other) - Sunlight is energy in the form of electromagnetic radiation  

Most abundant form of energy comes from the Sun (Sun exchanged mass for  

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energy via nuclear fission)  

First Law of Thermodynamics  


Does the total energy of a system remain constant?




What type of electromagnetic radiation is sunlight?



- Energy can not be created or destroyed, only transformed  

- Energy is always conserved  

- The totally energy of a system is constant, but the form of energy can change  

Energy associated with Volume change  

- Heat energy of a gas is related to both volume and pressure

An Adiabatic Process is defined as when no heat is added or taken away from  If you want to learn more check out What did socrates say about knowledge?
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the system

A "chain" of energy transformations  

… In the end, all is heat  

- The process of energy transformation tends to lead to heat  

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