Advertisements
Advertisements
प्रश्न
Why does a block of wood held under water rise to the surface when released ?
Advertisements
उत्तर
A wooden block held under water floats on the surface on release because it is less dense than water. A substance floats if it is less dense than the fluid in which it is immersed after the external force is withdrawn from it.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
The buoyant force depends on the nature of object immersed in the liquid
Why do we feel light on our feet when standing in a swimming pool with water up to our armpits ?
Distinguish between density and relative density.
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
body C having density 1100 kg m-3
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
A body will experience minimum upthrust when it is completely immersed in :
Select the correct option:
When an object sinks in a liquid, its:
What is meant by up thrust?
Write about buoyant force.
The point at which the force of buoyancy is supposed to act is known as ______.
