focal length of convex lens made of glass is 20 cm. what will be its new focal length when placed in medium of refractive index 7.25u
Dear Student,
Please find below link for similar query as asked by you.
https://www.meritnation.com/ask-answer/question/find-the-change-in-focal-length-of-a-convex-lens-of-focal-le/ray-optics-and-optical-instruments/10269067
Note: Focal length in air is given we just need to find focal length in medium of refractive index 7.25.
Regards.
Please find below link for similar query as asked by you.
https://www.meritnation.com/ask-answer/question/find-the-change-in-focal-length-of-a-convex-lens-of-focal-le/ray-optics-and-optical-instruments/10269067
Note: Focal length in air is given we just need to find focal length in medium of refractive index 7.25.
Regards.