Get premium membership and access revision papers with marking schemes, video lessons and live classes.
  OR
Processing. Please wait.

 Form 4 Physics online lessons on thin lenses

Images formed by a converging lens.

 (10m 14s)
224 Views     SHARE

Download as pdf file

Answer Text:
Images formed by a converging lens.
1.Object between the lens and the principal focus.
figlenses29620201107.JPG
- Image formed behind the object
- Virtual
- Erect
- Magnified
2. Object at infinity.
figlenses29620201108.JPG
- Image formed at the principal focus of the lens
- Real
- Inverted
- Diminished
3. Object at the principal focus (at F).
figlenses29620201109.JPG
- Image is at infinity.
4. Object between the principal focus (F) and 2 F.
figlenses29620201110.JPG
- Image situated beyond 2 F
- Real
- Inverted
- Magnified
5. Object at 2 F.
figlenses29620201111.JPG
- Image is formed at 2 F
- Real
- Inverted
- Same size as the object
6. Object beyond F.
figlenses29620201112.JPG
- Image moves nearer to F as object shifts further beyond 2F
- Real
- Inverted
- Diminished


|