Question

A beaker containing water is placed on the platform of a spring balance. The balance reads 1.5 kg. A stone of mass 0.5 kg and density 500 kg/m³ is completely immersed in water without touching the walls of beaker. Now the balance reading will be –

• A. 2 kg
• B. 1 kg
• C. 2.5 kg
• D. 3 kg

Answer 1

Answer: (C)

2.5 kg

Answer 2

R = 1.5 g + B

= 1.5 g + $\left( \frac { 0.5 } { 500 } \right)$ 1000 g

= 2.5 g