11th Class Physics Chapter 6 Short Questions with Answers Solved

Question: 1

Define fluid dynamics.

Answer: 1

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"Those substance which cna flow from one point to the othe rare called fluid" For example; Liquids and gawes.

Question: 2

What is an ideal fluid?

Answer: 2

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Question: 3

How swing produced in a tennis ball?

Answer: 3

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Question: 4

Explain what do you understandby viscosity.

Answer: 4

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VISCOSITY: "The frictional effect between different layers of the flowing fluid is described in terms of viscositof fluid".

Viscosity measures how much force is requied to slide one layer of liquid over another layer. Substance that do not flow easily, such as thick tar and boney etc have large co-efficient of viscosities.

Question: 5

Why fog droplests appear to be suspended in air?

Answer: 5

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Question: 6

Explain what do you understand by the term viscotity.

Answer: 6

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Question: 7

What is meant ny drage force? what are the factors upon which drag force acting upon a small sphere of radius r moving downt through a liquid, depend?

Answer: 7

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Question: 8

How a dynamic lift is produced in a aeroplane?

Answer: 8

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Question: 9

What is fluid flow? What is the differene between stream line and turbulen flow.

Answer: 9

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Fluid flow:

i- Streamline flow

ii- Turbulent flow

Question: 10

Differntate between Laminar flow and Turbulent Flow

Answer: 10

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Question: 11

State and explain equatio of continuity.

Answer: 11

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Question: 12

State Stolke's law .What are its limation?

Answer: 12

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Question: 13

State the Beroulli's relation of a liquid in motion and describe some of its application

Answer: 13

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11th Class Chapter 6 Physics Short Questions

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