MyQuestionIcon

1

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

Measurement of Atmospheric Pressure

A metal ball ...

Question

A metal ball of material density 7800 kg/m3 issuspected to have a large number of cavities. It weighs9.8 kg when weighed directly on a balance and 1.5 kgless when immersed in water. The fraction by volumeof the cavities in the metal ball is approximately(a) 20% (b) 30% (9/16% (d) 1190

Open in App

Solution

Suggest Corrections

thumbs-up

9

Similar questions

Q. A metal ball of density

7800 k g / m^{3}

is suspected to have a large number of inner cavities. It weighs

9.8 k g

when weighed directly on a balance and

1.5 k g

less when immersed in water. The fraction by volume of the cavities in the metal ball is approximately:

Q. A metal ball of density

7800 k g / m^{3}

is suspected to have a large number of liner cavities. It weighs

9.8 k g

when weighed directly on a balance and

1.5 k g

less when immersed in water. The fraction by volume of the cavities in the metal bell is approrximately:

Q. An iron casting containing a number of cavities weighs

16000 N

12000 N

in water. Volume of the cavities in the casting is -
[ take density of iron

= 8000 {kg/m}^{3}

g = 10 {m/s}^{2}

]

Q. In air, a metallic sphere with an internal cavity weighs 40g and in water it weighs 20g. The volume of cavity if the density of material with cavity be 8g/cm

^{3}

Q. A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Measurement of Atmospheric Pressure

PHYSICS

Watch in App

explore_more_icon

Explore more

Measurement of Atmospheric Pressure

Standard IX Physics

Join BYJU'S Learning Program

CrossIcon