Visible Light And Solar Sytem Flashcards
1
Q
What is a reflecting telescope🔬
A
Eye piece lens magnifies image and correct way up using a curved mirror/concave mirror and a flat mirror
2
Q
What does a convex lens do?
A
Focuses light onto a single point
Focus point after lens
3
Q
What does a concave lens do
A
Focus point before the lens
4
Q
What is definition of focul length
A
Distance from lens to focus point
5
Q
What is a refracting telescope?🔭
A
Makes images bigger and changes from the normal upside down
6
Q
Equation for frequency
A
Frequency = Speed/Wavelength
300,000,000/0.0000002
=1.5x10 power of 15
