Advertisements
Advertisements
प्रश्न
Which of the following will sink or float on water? (Density of water = 1 g Cm-3)
(a) body A having density of 500 kg m-3
Advertisements
उत्तर
The density of water = 1 g Cm-3
(a) Density of body A = 500 kg m-3 = 500 × = 0.5 = 0.5 g Cm-3
Density of body A ¡s less than density of water hence A will float on water
APPEARS IN
संबंधित प्रश्न
What do you mean by buoyancy?
A body while floating sinks deeper in a liquid of low density than in a liquid of high density.
Define buoyant force. Name two factors on which buoyant force depends.
What is a density bottle? How is it used to find the density of a liquid?
A plastic cube is released into the water. Will it sink or come to the surface of the water?
Why is the tip of an allpin made sharp?
Explain why a gas bubble released at the bottom of a lake grows in size as it rises to the surface of the lake.
Two cylindrical vessels fitted with pistons A and B of area of cross-section 8 cm2 and 320 cm2 respectively are joined at their bottom by a tube and they are completely filled with water. When a mass of 4 kg is placed on piston A, Find:
- the pressure on piston A,
- the pressure on piston B, and
- the thrust on piston B.
Define atmospheric pressure diving suits. Does a diving suit create buoyancy?
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
