# CBSE Class 11 Physics Mechanical Properties of Fluids MCQs

## Mechanical Properties of Fluids Class 11 Physics MCQ

Class 11 Physics students should refer to the following multiple-choice questions with answers for Mechanical Properties of Fluids in standard 11. These MCQ questions with answers for Grade 11 Physics will come in exams and help you to score good marks

### Mechanical Properties of Fluids MCQ Questions Class 11 Physics with Answers

#### Question: Liquid pressure depends upon

• a) height of the liquid column
• b) directions
• c) shape of the liquid surface
• d) area of the liquid surface

Answer: height of the liquid column

#### Question: Hydraulic lifts and hydraulic brakes are based on

• a) Pascal's law
• b) Bernoulli's principle
• c) Archimedes' principle
• d) Stoke's law

#### Question: According to archimedes' principle, loss of weight of a body immersed in a liquid is equal to

• a) weight of the liquid displaced
• b) weight of the total liquid
• c) weight of the body
• d) None of these

Answer: weight of the liquid displaced

#### Question: _________ and _________ play the same role in case of fluids as force and mass play in case of solids

• a) Pressure and density
• b) Thrust and volume
• c) Thrust and density
• d) Pressure and thrust

#### Question: Pressure applied to enclosed fluid is

• a) transmitted unchanged to every portion of the fluid and wall of containing vessel.
• b) increased in proportion to the mass of the fluid and then transmitted
• c) diminished and transmitted to wall of container
• d) increased and applied to every part of the fluid

Answer: transmitted unchanged to every portion of the fluid and wall of containing vessel.

#### Question: The pressure at the bottom of a tank containing a liquid does not depend on

• a) area of the bottom surface
• b) nature of the liquid
• c) height of the liquid column
• d) acceleration due to gravity

Answer: area of the bottom surface

#### Question: Specific gravity of a body is numerically equal to

• a) relative density of the body
• b) density of body in water
• c) weight of the body in water
• d) weight of the body in air

Answer: relative density of the body

#### Question:  Assertion: A small iron needle sinks in water while a large iron ship floats.

Reason: The shape of iron needle is like a flat surface while the shape of a ship is that which makes it easier to float.

• a) Assertion is correct, reason is incorrect
• b) Assertion is incorrect, reason is correct
• c) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
• d) Assertion is correct, reason is correct; reason is a correct explanation for assertion

Answer: Assertion is correct, reason is incorrect

• a) 11%
• b) 8%
• c) 3%
• d) 1.8%

#### Question: A block of ice floats on a liquid of density 1.2 in a beaker then level of liquid when ice completely melt

• a) rises
• b) remains same
• c) lowers
• d) None of these

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