Advertisements
Advertisements
प्रश्न
The density of water is 1.0 g Cm-3. The density of iron is 7.8 × 10″3 g Cm-3. The density of mercury is 13.6 g Cm-3.
Ans the following:
Will a piece of iron float or sink in water?
Advertisements
उत्तर
Density of water = 1.0 g/cm3
Density of iron = 7.8 × 103 g/cm3 = 7800 g/cm3 (which is much greater than 1.0 g/cm3)
Since iron is much denser than water, A piece of iron will sink in water.
APPEARS IN
संबंधित प्रश्न
In what direction does the buoyant force on an object immersed in a liquid act?
A body experiences the same buoyant force while floating in water or alcohol.
The buoyant force experienced by a body when floating in saltwater is ....... to or same that of when floating in pure water.
What is the cause of buoyant force ?
A body of mass 3.5 kg displaces 1000 cm3 of water when fully immersed inside it. Calculate:
- the volume of body,
- the upthrust on body and
- the apparent weight of body in water.
Complete the following sentence.
Mass = .................... × density
Select the correct option.
The unit Nm2 is the unit of
Select the correct option.
Thrust acting perpendicularly on the unit surface area is called
Select the correct option:
The phenomenon due to which a solid experiences upward force when immersed in water is called:
What is meant by up thrust?
