Lenses
Lenses
Image Formed by Lenses
- Center of curvature:
The centre of the sphere of which lens forms a p...}
Lenses
Lens Formula
- All the distances are measured from the optical centre of the lens.
- The real objec...}
Lenses
Lens Maker’s Formula and Combination of Thin Lenses
-
the focal length of a lens increases when it is immersed in water.
- A rela...}
Lenses
Power of Lens and Measurement of Focal Length
- \begin{align*} P &= \frac {1}{f_1} + \frac {1}{f_2} + \frac {1}{f_3} \dots \\ &= P_...}