kritishapokharel338 kritishapokharel338
  • 29-01-2024
  • Physics
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A equi convex lens of glass of refractive index 1.5 is laid on a horizontal plane mirror .A pin coincides with its image when it is placed 1 m above the lens. When the liquid is filled between the lens and mirror the pin has to be raised by 5 cm for coincudence to iccyr again. what is the refractive index of lens

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