MEDIUM
9th ICSE
IMPORTANT
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How will you determine the density of regular solids.

Important Questions on Fluids

MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>PRACTICE QUESTIONS>Q 11
How will you determine the density of irregular solids?
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>PRACTICE QUESTIONS>Q 11
How will you determine the density of a liquid.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>ILLUSTRATIVE NUMERICALS>Q 12
A cylindrical block has a mass of 435 g. Its length is 5.0 cm. Calculate the area of cross-section of the block in cm2 . The density of the material of the cylinder is 8.7 g/cm3.
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>ILLUSTRATIVE NUMERICALS>Q 13
A block of wood is floating in water. The portion of the block inside water measures 50 cm×50 cm×50 cm. What is the magnitude of the buoyancy force acting on the block?
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>ILLUSTRATIVE NUMERICALS>Q 14
A solid of density 5000 kgm-3 weighs 0.5 kg  in air. It is completely immersed in a liquid of density 800 kgm-3. Calculate the apparent weight of the solid in the liquid.
HARD
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>ILLUSTRATIVE NUMERICALS>Q 15
The neck and bottom of a bottle have diameters 2 cm and 8 cm respectively. The bottle is completely filled with kerosene. If the cork in the neck is pressed with a force of 10 N what force is exerted on the bottom of the bottle? Name the law/principle you have used to find this force.
EASY
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>Self Evaluation Test>Q 1
You are given two identical bottles. One is empty with an open mouth and the other is filled with helium and sealed. Which will weigh more?
MEDIUM
9th ICSE
IMPORTANT
Together With Physics Class 9>Chapter 4 - Fluids>Self Evaluation Test>Q 2
In a simple barometer, the length of the tube is about 1 m. If in the barometer, mercury is replaced by water, would you require a longer tube or a shorter tube?