An object is made of a material of density 0.4 gm/cc. It is held 12 cm above the surface of water contained in a vessel and released. The depth it touches in water is :
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a
8 cm
b
6 cm
c
12 cm
d
4 cm
answer is A.
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Detailed Solution
If the object is like a cube of height h and base area Ah A 0.4 g= ( h-12) A 1 g so h-12= 8 cm
An object is made of a material of density 0.4 gm/cc. It is held 12 cm above the surface of water contained in a vessel and released. The depth it touches in water is :