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10A cylindrical vessel of diameter 9 cm hassome water in it. A cylindrical iron pieceof diameter 6 cm and height 4.5 cm isdropped in it. After it was completelyimmersed, what is the rise in the level ofwater?

Answer»

volume of cylindrical vessel = 22/7× ( r)²×h= 22/7 × 4.5×4.5×4.5=286.39cmvolume of cylindrical iron piece =22/7×(r)²×h=22/7×3×3×4.5=127.28cmvolume of volume raised= volume of cylindrical vessel - volume of cylindrical iron piece=286.39-127.28=131.39cm²



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