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 `10^(4) kg//

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 `10^(4) kg//

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 `10^(4) kg//m^(3)` is immersed in water without touching the walls of the beaker. What will be the balance reading now?
A. `2kg`
B. `2.5kg`
C. `1kg`
D. `3kg`

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
`rho_("water")=2rho_("stone")`
So only half of the volume of block will immesed into liquid. To immersed block fully a mass of `0.5kg` has to be put. So
scale reading `=(1.5+0.5+0.5)kg" "implies "scale reading" = 2.5kg`

5 views Answered 2023-02-05 15:29