thin glass equiconvex lens separates two media as indicated

Last updated: 6/11/2023

thin glass equiconvex lens separates two media as indicated in diagram When an object is laced in air at distance of 10 cm from the lens a real image is formed at a distance of 12 cm rom the lens If an object is placed in water at distance of 15 cm from the lens the real image s formed at distance of 90 cm from lens Find the value of n H n 4 air Object Water Hwater 3