Question:

# Analyse the following observation table showing variation of

Last updated: 6/30/2023

Analyse the following observation table showing variation of image distance v with object distance u in case of a convex lens and answer the questions that follow without doing any calculations a b c S No 1 2 3 4 5 6 Object Distance u cm 100 60 40 30 25 15 Image Distance v cm 25 30 40 60 100 120 What is the focal length of the convex lens Give reason to justify your answer Write the serial number of the observation which is not correct On what basis have you arrived at this conclusion Select an appropriate scale and draw a ray diagram for the observation at S No 2 Also find the approximate value of magnification