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Chemistry Ch 7.1
Chemistry Chapter 7.1 University of Toledo
14
Chemistry
Undergraduate 1
10/15/2009

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Cards

Term
What is represented by λ?
Definition
Wavelength, the distance between identical points on seccesive waves
Term
 What is represented by ν?
Definition
Frequency, the numer of waves that pass through a particular point in one second.
Term
What is amplitude?
Definition
The vertical distance from the midline of a wave to the peak or trough.
Term
What is represented by u?
Definition
speed
Term
What is the equation that relates frequency, wavelength, and speed?
Definition
u=λν
Term
The Units for frequency
Definition
Hertz(Hz)
Term
electromagnetic wave
Definition
has an electric field component and a magnetic field component.
Term
Electromagnetic radiation
Definition
the emmission and transmission of evergy in the form of electromagnetic waves
Term
C, speed of electromagnetic waves
Definition

3.00 x 108 meters/second

186,000 miles/second

(in vacuum)

Term
Equation solving for frequency when given wavelength
Definition
ν=c/λ
Term
Order of the Electromagnetic Spectrum from highest frequency to the lowest
Definition
Gamma Rays, x rays, ultraviolet, visible light, infrared, microwave, radio waves
Term

 

What is represented by E?

Definition
quantum, the smallest quantity of energy that can be emmitted in the form of electromagnetic radiation
Term

What is the equation relating quantum(energy), planck's constant and frequency?

 

Definition

E=hν

or

E=h(c/λ)

Term
What is planck's constant(h)?
Definition
h=6.63 x 10-34 J x s
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