Reflections on concepts
increased when it is kept in water? (AS)
How do you verify experimentally that the focal length of a convex lens is
How do you find the focal length of a lens experimentally? (AS)
Draw ray diagrams for the following positions and explain the nature and position
of image.
i. Object is placed at C2
ii. Object is placed between F2 and optic centre P. (AS;)
distribution by 1.5, Government 2020-21
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Answer:
On reflection from denser medium, phase reversal occurs i.e. phase change =π takes place, because glass is much denser than water.
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