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प्रश्न
A body floats in a liquid A of density ρ1 with a part of it submerged inside the liquid, while in liquid B of density ρ2 it is totally submerged inside the liquid. The densities ρ1 and ρ2 are related as :
विकल्प
ρ1 = ρ2
ρ1 < ρ2
ρ1 > ρ2
Nothing can be said
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उत्तर
A body floats in a liquid A of density ρ1 with a part of it submerged inside the liquid, while in liquid B of density ρ2 it is totally submerged inside the liquid. The densities ρ1 and ρ2 are related as : ρ1 > ρ2
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संबंधित प्रश्न
State the principle of floatation.
When a piece of wood is suspended from the hook of a spring balance, it reads 70 gf. The wood is now lowered into water. What reading do you expect on the scale of spring balance?
A block of wood is so loaded that it just floats in water at room temperature. What change will occur in the state of floatation, if
(a) Some salt is added to water, (b) Water is heated?
Give reasons.
An iron nail sinks in the water while an iron ship floats on water. Explain the reason.
For a floating body, its weight W and upthrust FB on it are related as :
Why does a ship make of iron not sink in water, while an iron nail sinks in it?
A rubber ball floats in water with 2/7 of its volume above the surface of the water. Calculate the average relative density of the rubber ball.
Name different types of Hydrometers with their applications.
Differentiate positive & negative buoyant.
