Thin Lens Flashcards
1
Q
Types of Lens
A
Concave and Convex
2
Q
Laws of Thin Lens
A
- An incident ray traveling through the optical center of the lens will continue to travel in the same direction after refracting through the lens
- Incident rays which travel paralllel to the principal axis will refract through the lens and converge at the focal point
3
Q
Parts of Thin Lens
A
- Focal Length
- Focal Point/ Principal Focus
- Principal Axis
- Optical Center
4
Q
Optical fibres used in medicine
A
- Endoscope
- Illuminating inside of body
5
Q
Virtual Image
A
- Rays don’t converge
- Inside the focal point
- Enlarged and Upright
6
Q
Real Image
A
- Rays Converge
- Outside the focal point
- Enlarged and Inverted
7
Q
Convex lens used to produce an image
A
- Magnifying Glass
- Eyepiece of Telescope
- Microscope
- Binoculars
