Properties of Waves and Light Flashcards
0
Q
Velocity of a wave-
A
How fast a wave moves from one point to another
Meters/second
1
Q
Frequency-
A
Number of waves that pass a given point in a certain amount of time
Measured in Hz
2
Q
Velocity of all waves in a vacuum-
A
Constant, speed of light
3
Q
What is the constant?
A
3.0 x 10^8 m/s
4
Q
Formulas-
A
Constant= frequency x wavelength Energy= h x frequency Energy= h x constant/ wavelength
5
Q
A short wavelength has a _____ frequency
A
High frequency
6
Q
A long wavelength has a _______ frequency
A
Low frequency
7
Q
Wavelength and frequency are ______ related
A
Inversely related
8
Q
Energy is measured in-
A
Joules
9
Q
Plank’s constant (h)-
A
6.63 x 10^-34 JS
10
Q
As the frequency increases, the energy ______
A
Increases
11
Q
Which type of electromagnetic radiation has the highest energy?
A
Gamma rays
12
Q
Which visible color has the highest amount of energy?
A
Violet
13
Q
Which type of radiation can do the most harm?
A
Gamma rays
