A convex lens (n=1.52) has a focal length 15 cm in air. Find its focal length when it is immersed
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- เผยแพร่เมื่อ 9 ก.พ. 2025
- A convex lens (n=1.52) has a focal length 15 cm in air. Find its focal length when it is immersed in liquid of refractive index 1.65? What will be the nature of lens?
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