You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VIII

Physics

Density

A block of un...

Question

A block of unknown metal of mass $400 g$ and volume $100 {cm}^{3}$ is placed in a liquid of density $1020 {kg/m}^{3}$ . Calculate its apparent weight in the liquid. (Take $g$ = $10 {m/s}^{2}$ )

6.04 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

5.96 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2.98 N

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

3.02 N

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $2.98 N$

Suggest Corrections

Similar questions

The mass of an empty density bottle is 24 g. Its mass is 60 g when the bottle is completely filled with water and 45 g when filled completely with an unknown liquid . Find the following :

a) volume of bottle

b) density of unknown liquid

c) Relative density of unknown liquid

A piece of iron of density

7800 k g / m^{3}

and volume

100 c m^{3}

is completely immersed in water. Calculate apparent weight of iron piece in water.

[Take,

g = 10 m / s^{2}

Q. A body of volume 100 c

m^{3}

weighs 5 kg in air. It is completely immersed in a liquid of density 1.8 x

10^{3}

kg/

m^{3}

. Find the apparent weight of the body in the liquid.

. A solid of density 5000kg/m3weights 0.5 kg in air. It is completely immersed in water of density1000kg/m3

(a) Calculate the apparent weight of solid in water.(ans. 0.4 kg)

(b) What will be its apparent weight if water is replaced by a liquid of density 8000kg/m3

A metal cube of edge 5cm and density 9.0 g $c m^{- 3}$ is suspended by a thread so as to be completely immersed in a liquid of density 1.2 $c m^{- 3}$ . Find the tension in the thread.

(Take g = 10 m/ $s^{2}$ )

[Hint: Tension in thread = apparent weight of the cube in liquid]

Join BYJU'S Learning Program

A block of unknown metal of mass 400 g and volume 100 cm3 is placed in a liquid of density 1020 kg/m3. Calculate its apparent weight in the liquid. ​ (Take g = 10 m/s2)

The correct option is C 2.98 N

A block of unknown metal of mass $400 g$ and volume $100 {cm}^{3}$ is placed in a liquid of density $1020 {kg/m}^{3}$ . Calculate its apparent weight in the liquid. (Take $g$ = $10 {m/s}^{2}$ )

The correct option is C $2.98 N$