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Light Reflection and Refraction
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19/08/2021 7:18 pm
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How would a pencil look like if you saw it through (a) a concave lens, and (b) a convex lens? (Assume the pencil is close to the lens). Is the image real or virtual?
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19/08/2021 7:19 pm
(a) (i) a concave lens
(ii)
(b) Use of convex mirror: As rear-view mirror in vehicles
Use of concave mirror: As shaving mirrors
Use of convex lens: For making simple camera
Use of concave lens: As eye-lens in Galilean telescope