Derive the lens maker formula for concave lens
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1/v-1/u=1/f lens formula
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Answer:
know the working of heart which material is used, radioactive Cobalt, radioactive Iodine, radioactive sodium, radioactive gold
Explanation:
convex lens of focal length 10 cm is in contact with a concave lens. The focal length of the combination is numerically equal to that of the concave lens. The focal length of the concave lens is
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