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Determination of the Focal Length of a Convex Lens
List four precautions a student should observe while determining the focal length of a given convex lens by obtaining the image of a distant object on a screen.
To find the focal length of a convex lens by plotting graphs between u and v
1. Define the focal length of a converging lens. Draw a ray diagram. Explain. 2. Define the focal length of a diverging lens. Draw a ray diagram. Explain. 3. Write the formula