General Aim of Convex Lens Simulation
Determination of focal length and the power of lens.
Method of Convex Lens Simulation
General method.
Learning Objectives (ILOs)
By the end of focal length of convex lens experiment, students will:
Understand the image formation for a convex lens online.
Understanding the difference between both the focal length and power of a lens and how to determine them.
Theoretical Background / Context
- Rays coming from very far away are practically parallel.
- If such rays are also parallel to the main axis of the lens, the image forms at f, the focal point of the lens will be real and inverted.
- The general method implies that, the relation between the object distance p, the image distance q, and the focal length f is given by the thin lens formula as:
And the power of this lens will be obtained from:
- Measuring focal length of convex lens, also known as converging lens focal length.
Principle of Work
- Recording the position at which a well-defined and clear image for the object is formed using a lens simulator or specifically a convex lens simulator.
- Measuring the distance q for different values for p (lens - object distance) through convex lens simulation
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