Electricity Flashcards
1
Q
What do Waves transfer
A
Waves transfer information and energy without transferring matter (stuff).
2
Q
Each particle vibrates
A
Parallel to the direction of the wave
3
Q
Give 2 examples of transverse Waves
A
Light and Water
4
Q
What is the wave equation
A
Wave speed= force times Wavelength
5
Q
What is the Unit and symbol for Wave speed?
A
Symbol = V
Unit = m/s
6
Q
What is Symbol and unit for Frequency
A
Symbol= F
Unit= Hz
7
Q
What is the Unit and Symbol for Wavelength
A
Symbol= x
Unit= m
8
Q
Example
Television (LCD - 100W, Plasma - 300W) used for 4 hours
A
100 divided by 1000 = 0.4 KW (Kilo Watts)
