Advertisements
Advertisements
प्रश्न
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is ....... than the density of liquid B.
Advertisements
उत्तर
A body sinks in a liquid A but floats in a liquid B. The density of liquid A is less than the density of liquid B.
APPEARS IN
संबंधित प्रश्न
Distinguish between density and relative density.
What is the law of floatation?
Describe a simple experiment to demonstrate that a liquid enclosed in a vessel exerts pressure in all directions.
Why do sea divers need special protective suit?
Complete the following sentence :
Pressure at a point inside the liquid is ...................... To its depth.
The pressure inside a liquid of density p at a depth h is :
(i) The diameter of neck and bottom of a bottle are 2 cm and 10 cm, respectively. The bottle is completely filled with oil. If the cork in the neck is pressed in with a force of 1.2 kgf, what force is exerted on the bottom of the bottle?
(ii) Name the law/principle you have used to find the force in part (a).
It is easier to lift a heavy stone under water than in air. Explain.
Salt water provides less buoyant force than freshwater.
Complete the analogy.
Downward force : Weight :: Upward force offered by liquid : ______
