you are provided with two convex lens of focal length 15 cm and 25 cm respectively . which of the two is of large power? give reason for your answer
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Answer:
Ray optics
Explanation:
★ Power ( P ) ≈ 1 / Focal length
» so ; more the focal length less will be the power of convex lens and focal length of convex lens I positive.
★ power of 15 cm convex lens > Power of 25 cm foval length convex lens .
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