Physics, asked by puja64756, 5 months ago

plano a convex lens is made of glass of refractive index 1.5, curved surface had ratio 20cm.find focal length of the lens and it's power​

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Answered by bannybannyavvari
1

Answer:

Two plano - concave lenses of glass of refractive index 1.5 have radii of curvatures 20 cm, 30 cm.They are placed in contact with curved surface towards ...

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