Question

a cube of 12 cm edge is completely immersed in a rectangular vessel containing water.If the dimensions of the base of the vessel are 15 cm, 18cm. Find the rise in the water level in the vessel.

Answer 1

volume of cube=12³
volume of rectangular vessel=l×b×h(cuboid)
water raised is h cm;l=15cm;b=18cm
cube is immersed in vessel
so volume of cube=volume of rectangular vessel
12³=15×18×h
$h = \frac{12 \times 12 \times 12}{15 \times 18}$
so level of water raise(h)=6.4cm
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