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9th ICSE
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A piece of stone weighs 1.00 N in air and 0.88 N in water (when completely immersed). Find the volume of the marble and its density. 

Important Questions on Fluids

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9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 18
A steel block weighs 56.7 gf in water. When the block is tied with a cork of weight  6 gf, the combination is found weighing 40.5 gf in water. Find relative density of the cork.
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9th ICSE
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All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 19
A wooden block is floating in a liquid (water). The dimension of the wooden block inside water is 50 cm×50 cm×50 cm. Find the magnitude of the buoyant force acting on the block. (Take, g=9.8 m/s2)
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All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 20
An object weighs 20 gf in air,18.2 gf in a liquid (other than water) and18.0 gf in water. What will be the relative density of the object?
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9th ICSE
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All In One ICSE Physics>Chapter 5 - Fluids>CHAPTER EXERCISE>Q 20
An object weighs 20 gf in air,18.2 gf in a liquid (other than water) and18.0 gf in water. What will be the relative density of the liquid?
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9th ICSE
IMPORTANT
All In One ICSE Physics>Chapter 5 - Fluids>CHALLENGERS>Q 1
A cylinder of certain mass is held in a vertical position. If the height of the cylinder is 10 cm and radius of cross-section is 4 cm, such that the pressure acting on its bottom surface is 21560 Nm-2. Then, the value of the mass of cylinder is 
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All In One ICSE Physics>Chapter 5 - Fluids>CHALLENGERS>Q 2
The ratio of height of mercury column in a barometer at a place to the height of the liquid column at the sample is 1:4. The density of liquid is: 
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9th ICSE
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All In One ICSE Physics>Chapter 5 - Fluids>CHALLENGERS>Q 3
An alloy made of two metals Au and Cu weight 200 gwt in air and160 gwt in water. If densities of metals Au and Cu are 20 g cm-3 and 4 g cm-3, then the value of percentage of mass of each metal is   
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9th ICSE
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All In One ICSE Physics>Chapter 5 - Fluids>CHALLENGERS>Q 4
A hollow metal of mass 180.6 g contains a cavity of volume 2.5 cm3. The metal when placed in water displaces 24 cc of water. The specific gravity of metal is: