Q.
A block of steel of size 5 cm × 5 cm × 5 cm is weighed in water. If the relative density of steel is 7, its apparent weight is
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a
6×5×5×5gf
b
4×4×4×7gf
c
5×5×5×7gf
d
4×4×4×6gf
answer is A.
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Detailed Solution
Apparent weight = V(ρ−σ)g=5×5×5(7−1)g=6×5×5×5gf
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