NTSE Stage 2 SAT 2014 Question Paper

Question : 31 of 100

Marks: +1, -0

A spring balance measures the weight of an object in air to be 0.1 N. It shows a reading of 0.08 N when the object is completely immersed in water. If the value of acceleration due to gravity is 10 m/

\s^2

, the volume of the object is

20 $\c\m^3$
80 $\c\m^3$
200 $\c\m^3$
2 $\c\m^3$

Validate

Solution:

The Buoyant force

0.02=\v\d\g

0.02=\V(10^3)×(10)

\V=2\cm^3

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