ICS Part 1 Physics English Medium Chapter 1 Online Short Questions Test with Answers

Online Short Questions For Chapter 1 "ICS Part 1 Physics Chapter 1 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 1 Short Questions Test

Question # 1

Define system of units ? Give the name of various system of unit?

  • Ans 1: System Units:A complete set of unit for all physical quantities is known as system of units .
    Explanation:There are several system of unit For example
    Foot - pound - system ( FPS)
    Meter - kilogram -second system (MKS )
    Centimetre - gram - second system (CGS )
    But the most popular system id the system international (SI)
    System International(SI):In 1960 on international committee agreed on a set of definitions and standards to describe the physical quantities. The system that was established is called system international (SI)
    The system international is used throughout the world. Its unit are convenient for daily use .
    The system international is build-up from three kinds of unit
    • Base Unit
    • Derived Units
    • Supplementary Units
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Prepare Complete Set Wise Questions For Chapter 1 "ICS Part 1 Physics Chapter 1 Short Questions Test "

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 1

Question # 1

Define system of units ? Give the name of various system of unit?

  • Ans 1: System Units:A complete set of unit for all physical quantities is known as system of units .
    Explanation:There are several system of unit For example
    Foot - pound - system ( FPS)
    Meter - kilogram -second system (MKS )
    Centimetre - gram - second system (CGS )
    But the most popular system id the system international (SI)
    System International(SI):In 1960 on international committee agreed on a set of definitions and standards to describe the physical quantities. The system that was established is called system international (SI)
    The system international is used throughout the world. Its unit are convenient for daily use .
    The system international is build-up from three kinds of unit
    • Base Unit
    • Derived Units
    • Supplementary Units
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

What are supplementary units? Write their names.

  • Ans 1: The General Conference on Weights and Measure has not yet classified certain unit of SI under either base or derived units. Theses SI units are called supplementary units.
    Radian and Steradian are supplementary units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Question # 1

What are two principal characteristics of an ideal standard?

  • Ans 1: An ideal standard has two principal characteristics.
    1. It is accessible.
    2. It is invariable.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

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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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Define derived units and write two example.

  • Ans 1: Derived units: The units used to measure derived quantities are called derived units.
  • Ans 2: Examples: Unit of velocity is meter per second
    Unit of accelertationnn is meter per second per second ms
    Unit of Force is Newton (N)
    Unit of charge Coulomb (C)
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

which base quantities has units mole and kelvin

  • Ans 1: Mole: Mole is unit of base quantity "Amount of a substance"
  • Ans 2: Kelin: Kelvin is unit of base quantity "Temperature"
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Define physical quantities and derived quantities.

  • Ans 1: Physical quantites: All measurable quantities are called physical quantities.
  • Ans 2: Example: Length mass, time and temperature etc.
  • Ans 3: Derived quantites: The quantities that are expressed in terms of base quantities are called derived quantities.
  • Ans 4: Examples: Area, volume, speed, force, work etc are derived quantities.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

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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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

Define error and uncertainty ? Discuss the various types of error ?

  • Ans 1: Error:The difference between measured value and actual value is known as error.
    Uncertainty:The errors which a rises due to natural imperfection of the experimenter the limitation of the apparatus and the change in the environment during the measurement is known as Uncertainty
    Types of Errors:There are three type of errors which are given below.
    1. Personal Error:The error due to carelessness or improper knowledge about an instrument or incorrect reading of a scale by an experimenter is known as personal error. The personal error can be removed to some extent error if the experimenter take care during the measurement of any quantity and have proper knowledge about the measuring instrument.
    2. Systematic Error:The error due to faulty apparatus and poor calibration of the instrument is known as systematic error. The systematic error also a rises from zero error between scales as in vernier caliper screw gauge and spherometer. The systematic error can be removed by comparing the faulty instrument with some accurate and standard instrument. the difference of the two can be added tracted to the measurement if the error is positive then will be subtracted from faulty instrument reading for correctness. If the error is negative, then it will be added to the foulty instruments reading for correctness
    3. Statistical Error:The error due to repeated measurements of same quantity under same condition that result in different values of the same quantity is known random error.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Does dimensional analysis give any information on constant of proportionality that may appear in algebraic expression? Explain.

  • Ans 1: Dimensional analysis does not give any information about constant of proportionality in any expression.This constant can be determined by experiments.
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