Physics 11th Class Chapter 1(Measurement) Online Short questions with Answers Preparation

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Introduction

Physical quantities

International systems of units

Base units

Supplementary units

Derived units, scientific notations

Conventions for Indicating Units

Errors and Uncertainties

Dimensions of Physical Quantities

In this way, ilmkidunya educational website also provides the all study related helping material online for the ease of students of all board classes. Students can get guess papers which plays an important role before attempt the paper. They can also fine past papers, roll no slips, date sheets, results of all papers and all classes

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FSC Part 1 Physics Preparation

Start Physics Chapter 1 Preparation

FSC Part 1 Subjects

Online Short Questions For Chapter 1 "FSC Part 1 Physics Chapter 1 Short Questions Preparation "

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Physics - FSC Part 1 Physics Chapter 1 Short Questions Preparation

Question # 1

How can you assess the uncertainty in the average value of many measurements?

Ans 1: To assess the uncertainty, we find the deviation of each measured value from the average value. The mean deviation is the uncertainty in the average value.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 1

Question # 1

How can you assess the uncertainty in the average value of many measurements?

Ans 1: To assess the uncertainty, we find the deviation of each measured value from the average value. The mean deviation is the uncertainty in the average value.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 2

Question # 1

Define the process of painting with one example.

Ans 1: It is structual adaptation for heat regulation in dogs. Painting is evaporative cooling in the respiratory tract for temperature regulation.

Question # 8

What is physics ? Discuss the importance of physics ?

Ans 1: Physics:
The branch of science which deals with the properties of matter energy and their mutual relationship is known as physics.
Physics has played on importance role in our daily life.
1. The electronic media like T.V, radio, Loudspeaker, Telephone, cell phone, Photo phone for machine etc are the important source of communication which works on the principles of physics.
2. Information technology is based on the principle of physics which is the scientific method of storing, protecting, processing, Transmitting, receiving and retrieving information
3. The whole world has become a global village due to use of computer net works which works on the principles of physics.
4. Atomic bomb is the invention of physics which can be used for the production of huge amount of energy. It can be also used for defence purposes.
5. X-rays, Y-rays Laser rays etc. are the inventions of physics which can be used in industry, health and agriculture department for various purposes.
6. Cathode ray oscilloscope (C.R.O) is the invention of physics which can be used as graph plotting device to see the wave from of a repetitive electronic signals the C.R.O can be also used in T.V circuits in computers system and as A.C circuits or D.C circuits circuits.
7. All means of transport, like aeroplane buses, motor cycles, railways etc work on the principles of physics
8. Electricity is the invention of physics without which we can not imagine any machine in working conditions
9. Rockets and satellites are the invention of physics with the help of which we can get information about the upper atmosphere.
10. The simple machine like pulley, wedge, like leaver screw-jack etc are the invention of physics which can be used for various purposes invention of physics which can be used for various purpose in daily life.
11. Physics explain the natural phenomena in term of fundamental principles and basics and basic Laws
12. Electron microscope is the invention of physics which is used to see distant objects clearly.
13. Microphone is the invention of physics which can be used to study microorganisms clearly and easily
14. Telescope is the invention of physics which is used to see distance objects clearly.
15. Physics employs the essential steps of scientific method observation recording analysis prediction and verification.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 3

Question # 1

Define base and derived quantities.

Ans 1: Base Quantities are the quantities on the basis of which other quantities are expressed.
Examples: Length, mass time electric current, temperature. intensity of light and amount of substance are examples of base quantities.
Ans 2: Derived Quantities: The quantities that are expressed in term of base quantitites are called derived quantities.
Examples: Volume, speed, force, work, electric, charge are some examples of derived quantities.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 4

Question # 1

An old saying is that " A chain is only as strong as its weakest link , " What analogous statement can you make regarding measurement ?

Ans 1: The analogous statement is that the result of an experimental data which is as accurate as measurements can be used in the computation.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 5

Question # 1

Define least count and write meter rod's least count

Ans 1: smallest measurement hat can be taken by an instrument is called least count of that instrument Least Count

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 6

Question # 1

What rules are of rounded off the significant figure?

Ans 1:
1. If the first digit dropped is less than 5, the last digit retained should remain unchanged.
2. If the first digit dropped is more than 5, the digit to be retained is increased by one.
3. If the first digit to be dropped is 5 the previous digit which is to be retained is increased by one if it is odd and retained as such if it is even.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 7

Question # 1

Give two adaptation of marine fish for its survival in cold environment.

Ans 1: These fishes have a thick layer of insulting fat called blubber which prevent excess heat loss from the body.
Ans 2: Arteriole
Ans 3: Capillary
Ans 4: Vein

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 8

Question # 1

Explain the term " precision" and accuracy ?

Ans 1: The 'Precision represents the magnitude of error in a measurement while the accuracy means to check how the measured values are closer to the actual value. The accuracy represents the relative error. It can be obtained by dividing the error with measured quantity.
The accuracy depends on the error if the error is greater than smaller will be the accuracy of the measurements and vice versa.
The accuracy of the measurements can be increased by taking several readings and take their average.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 9

Question # 1

Discuss the conventions for using SI units?

Ans 1: The various conventions for using SI are given below.
1. Full name of the unit does not begin with a capital letter even if named after a scientist.
2. symbol of unit name after scientist has initial capital latter for for example N for newton Pa for pascal H3 for hertz etc
3. The prefixes is written before an adjacent to the unit
4. The combination of units is written each with one space a part For example , Torque =55 N m
5. Double, triple etc prefixes are not allowed
6. When a multiple of base unit is raised to a power. The power applies to the whole multiple and not just the base unit
7. Before substituting values in the formula to calculate the final result make sure that all the included physical quantities are expressed in their SI units.

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FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 10

Question # 1

Define the term light.

Ans 1: Light is the form of energy. Light is electromagnetic radiation that can be detected by the human eye. Light is a general term that is commonly used to refer to the visible spectrum.Visible menas something that can be seen using the eye, as opposed to invisible" things that cannot be seen

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Physics

1st Chapter

11th Class Physics Chapter 1 Preparation

Here you can prepare 11th Class Physics Chapter 1 Measurements Preparation. Click the button for 100% free full Preparation.

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Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

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First Year Physics Chapter 1 Online Short Question Test for 1st Year Physics Chapter 1 Measurements Preparation

Introduction

Physical quantities

International systems of units

Base units

Supplementary units

Derived units, scientific notations

Conventions for Indicating Units

Errors and Uncertainties

Dimensions of Physical Quantities

FSC Part 1 Subjects

Online Short Questions For Chapter 1 "FSC Part 1 Physics Chapter 1 Short Questions Preparation "

Physics - FSC Part 1 Physics Chapter 1 Short Questions Preparation

How can you assess the uncertainty in the average value of many measurements?

Define international system of units.

How can you define term wave?

What is the usual way to obtain plan wavefront from a point source?

which base quantities has units mole and kelvin

What role SI units have played in the development of science

What is unit

Write down four conventions for indicating units.

Name two major types of errors in measurement and also define them.

Explain the term " precision" and accuracy ?

Prepare Complete Set Wise Questions For Chapter 1 "FSC Part 1 Physics Chapter 1 Short Questions Preparation "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 1

How can you assess the uncertainty in the average value of many measurements?

Define international system of units.

How can you define term wave?

What is the usual way to obtain plan wavefront from a point source?

which base quantities has units mole and kelvin

What role SI units have played in the development of science

What is unit

Write down four conventions for indicating units.

Name two major types of errors in measurement and also define them.

Explain the term " precision" and accuracy ?

FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 2

Define the process of painting with one example.

what is diffraction?

Described the principle of homogeneity of dimensional analysis.

What is physical significance of dimension of physical quantity?

Define Physics.

Define derived units and write two example.

Why a screw gauge measures more accurately than a vernier cllipers

What is physics ? Discuss the importance of physics ?

Deduce the dimensions of gravitational constant ?

Describe the structure of ripple tank

FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 3

Define base and derived quantities.

Define physical quantities and derived quantities.

Differentiate between the precision and accuracy.

Differentiate between precise and accurate measurement.

What type of blood vessels surrounds the alveoli?

Name several repetitive phenomenon occurring in nature which could serve as reasonable time standard.

What do you mean by scientific notation? Give an example.

Find the dimension of kinetic energy ?

Explain " Rounding off numbers ?

Define basic units.

FSC Part 1 Physics Chapter 1 Short Questions Preparation - Set 4

An old saying is that " A chain is only as strong as its weakest link , " What analogous statement can you make regarding measurement ?

What is Scientific Notation .Explain ?

Differentiate between law of conservation of Energy.

Explain dimension of physics quantities ?

Define derived units.