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

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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

Define derived units.

Ans 1: The units associated with the derived quantities are called derived units. SI units for measuring all other physical quantities are derived from the base and supplementary units. For Example, newton, joule, watt, pascal etc.

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

Question # 1

Define derived units.

Ans 1: The units associated with the derived quantities are called derived units. SI units for measuring all other physical quantities are derived from the base and supplementary units. For Example, newton, joule, watt, pascal etc.

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

Question # 1

How many nanoseconds are there in 1 year?

Ans 1: As 1 year = 3.136x10^{7 s}
1 year = 3.1536x10⁷ X1s
1 year =3.1536x10⁷x10⁹x10^-9s
1 year =3.1536x10⁷x10^-9ns
1 year =3.1536x 10¹⁶ns

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

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 4

Question # 1

Define derived quantities and write the name of two derived quantities.

Ans 1: Derived quantities: Those physical quantities which are expressed in terms of base quantities are called the derived quantities.
Ans 2: Examples: Area, volume, speed, force, work, energy power, electric charge, electric potential.

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

Question # 1

Differentiate between the precision and accuracy.

Ans 1: Precision: A measurement which has less absolute uncertainty is called precise measurement. The precision of a measurement is determined by the instrument being used.Absolute uncertainty , in effect, is equal to the least count of measuring instrument.
Accuracy: is the one which has less fractional or percentage error. Accuracy measures,how close a measured value is to the actual value.

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

Question # 1

What dose the word "micro" signify in the words "micro wave oven ?

Ans 1: Micro means very small. Micro waves have the shortest wavelength of all the shortest wavelengths of all the radio waves, therefore, these are known as microwaves. Now like all electromagnetic waves the microwaves produces heating effect when their energy is absorbed. It is because, due to shorter wave length the micro waves posses high frequency and maximum energy.

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

Question # 1

Why a screw gauge measures more accurately than a vernier cllipers

Ans 1: Because least count of screw guage is 0.01mm and divide 1mm into 10 equal parts. But least count of vernier calipers is 0.1mm and 1mm. divide into 10 equal parts.

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

Question # 1

Write down four conventions for indicating units.

Ans 1: The convection for indicating units are as follows:
1. Full name of the unit does not begin with the capital letter even if named after a scientist e.g. Newton.
2. The symbol of unit named after a scientists has initial capital letter e.g. N for newton.
3. The prefix should be written before the unit without any spacee.g. 1x 10^-6= µ m
4. Compound prefixes are not allowed. For example 1 µµF should be written as 1 pF.

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

Question # 1

Define significant figures.

Ans 1: In any measurement, the accurately Known digits and the first doubtful digit are called the significant figures. For example, The number of significant figures in the measurement 02.59 are 3.

Question # 4

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 10

Question # 1

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

Ans 1: The standard form to represent numbers using power of ten is called scientific notation. The accepted practice is that there should be only one non-zero digit left o decimal. For Example
The scientific notation of measurement 134.7 is 1.347 x 10².

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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

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Chapter 4

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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

Define derived units.

Why a screw gauge measures more accurately than a vernier cllipers

How many seconds are there in one year?

Define base units. Give one example.

Sate the Hess's law of constant heat summation?

Define the term light.

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

Find the base quantities involved in each of the following derived quantities:

Define Base and Derived Units.

Define derived quantities and write the name of two derived quantities.

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

Define derived units.

Why a screw gauge measures more accurately than a vernier cllipers

How many seconds are there in one year?

Define base units. Give one example.

Sate the Hess's law of constant heat summation?

Define the term light.

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

Find the base quantities involved in each of the following derived quantities:

Define Base and Derived Units.

Define derived quantities and write the name of two derived quantities.

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

How many nanoseconds are there in 1 year?

Define the process of painting with one example.

Write two uses of X-rays diffraction by crystals.

Define acromegaly. Give its cause.

What are three fundamental frontiers of fundamental science?

What is meant by coexistances.

Define Base and Derived Units.

Define the term error, uncertainty precision and accuracy in measurements?

What is unit

Deduce the dimensions of gravitational constant ?

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

Discuss the conventions for using SI units?

What are two principal characteristics of an ideal standard?

What do you mean by prefixes of the power of ten? Explain?

Define base units. Give one example.

Deduce the dimensions of gravitational constant ?

What are derived units? Explain.

What is physics ? Discuss the importance of physics ?

Define nuclear physics.

Differentiate between law of conservation of Energy.

what is diffraction?

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

Define derived quantities and write the name of two derived quantities.

Define significant figures.

What type of blood vessels surrounds the alveoli?

What are three fundamental frontiers of fundamental science?

Define physical quantities and derived quantities.

Define light year. How many meters are there in one light year?
[ Speed of light = 3x10⁸ms^-1)