A solid weighs 32gf in air and 28.8gf in water. Find: R.D. of solid.
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Solution
Weight of the solid in air, W1=32gf weight of the solid immersed completely in water, W2=28.8gf density of the liquid =0.9gcm−3 To find the R.D. of the solid Relative density of the solid =W1W3−W2× relative density of water =3232−28.8×1=10