Advertisements
Advertisements
प्रश्न
An inflated balloon is placed inside a big glass jar which is connected to an evacuating pump. What will you observe when the evacuating pump starts working? Give a reason for your answer.
Advertisements
उत्तर
When evacuating pump starts working, pressure inside the glass jar reduces. As the pressure inside the balloon is more than pressure outside the balloon inside the glass jar, so balloon with burst.
APPEARS IN
संबंधित प्रश्न
A body of density ρ sinks in a liquid of density ρL. The densities ρ and ρL are related as :
'The density of iron is 7800 kg m-3'. What do you understand by this statement?
Complete the following sentence.
Density of water is .... ... kg m-3.
The density of copper is 8.83 g cm-3. Express it in kg m-3.
Explain the following :
An egg sinks in fresh water, but floats in a strong salt solution.
Explain the following :
A ship submerges more as it sails from sea water to river water.
A wooden cube of side 10 cm has mass 700 g. What part of it remains above the water surface while floating vertically on water surface?
Select the correct option:
The SI unit of density is:
Select the correct option:
A body has density 9.6 gcm -3. Its density in SI system is:
