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Chapter 5 Upthrust In Fluids Archimedes Principle And Floatation | Exercise 5A

Question 23

A body of density ρ is immersed in a liquid of density ρL. State condition when the body will

(i)float,

(ii) sink, in liquid.

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  • Solution

  • Transcript

(i) The body will float when its density is lesser than or equal to the density of the liquid it is immersed in, that is to say, ρ ≤ ρL

(ii) The body will sink in the liquid when the density of the body is greater than the density of the liquid it is immersed in, that is to say, ρ > ρL

"students welcome to leader learning this is ashwini i teach science at lido so here in this question we have to state that a body of density rho is immersed in a liquid of density rho l so we have to state the condition when the body will float or sink in the liquid so the answer is the body will float in the liquid when its density is lesser or equal to the density of the liquid so here as you see in the second image okay the object will float and the third image the object will also float but it is somewhat inside the water okay not only surface of water so these two cases are the row is the density of object okay or the body when it is less than the density of liquid okay when it is less than the density of liquid the object will float on the surface of water and second cases when the density of body is equals to the density of liquid then it will emerged in body immersed in the liquid but it does not completely sink in the body it will just float in the water okay or any liquid now if i'm talking about the second condition that when it will going to sink when the density of the body is greater than the density of liquid so this is the only condition when the body will sink in the liquid so i hope rho is greater than rho l here so i hope everything is clear to you if you have any doubts then please put it down in the comment section for more such video solutions please subscribe leader learning thank you"

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Question 23

A body of density ρ is immersed in a liquid of density ρL. State condition when the body will

(i)float,

(ii) sink, in liquid.

  • Solution

  • Transcript

(i) The body will float when its density is lesser than or equal to the density of the liquid it is immersed in, that is to say, ρ ≤ ρL

(ii) The body will sink in the liquid when the density of the body is greater than the density of the liquid it is immersed in, that is to say, ρ > ρL

"students welcome to leader learning this is ashwini i teach science at lido so here in this question we have to state that a body of density rho is immersed in a liquid of density rho l so we have to state the condition when the body will float or sink in the liquid so the answer is the body will float in the liquid when its density is lesser or equal to the density of the liquid so here as you see in the second image okay the object will float and the third image the object will also float but it is somewhat inside the water okay not only surface of water so these two cases are the row is the density of object okay or the body when it is less than the density of liquid okay when it is less than the density of liquid the object will float on the surface of water and second cases when the density of body is equals to the density of liquid then it will emerged in body immersed in the liquid but it does not completely sink in the body it will just float in the water okay or any liquid now if i'm talking about the second condition that when it will going to sink when the density of the body is greater than the density of liquid so this is the only condition when the body will sink in the liquid so i hope rho is greater than rho l here so i hope everything is clear to you if you have any doubts then please put it down in the comment section for more such video solutions please subscribe leader learning thank you"

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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