P1.2: Refracting telescopes Flashcards
1
Q
How many lenses does a refracting telescope have?
A
2
2
Q
What are these lenses called?
A
Objective lens, eyepiece lens
3
Q
What does the objective lens do?
A
Gathers light and bends it into focus
4
Q
What does an eyepiece lens do?
A
Brings the bright image from the focus and magnifies it to the size if your pupil/
5
Q
What is refraction?
A
The change in direction of a wave when it moves to a new medium which causes it to travel at a different speed.
