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 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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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 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 2

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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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

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)
Submit

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

What events occur in anaphase-I in meiosis?

  • Ans 1: During the anaphase of meiosis -1.The spindle fibers contract and each member of homologous chromosomes moves toward each pole.In this way half chromosomes reaches to one pole and other half reaches to another pole.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Describe the structure of ripple tank

  • Ans 1: ripple tank consist of a rectangular tray having glass bottom and is placed nearly half meter above the surface of table
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Define Base, Derived, supplementary, Units ?

  • Ans 1: Base Units:The units of base quantities are known as base unit.
    Base quantity: Symbol
    Length l
    Mass M
    Time t
    Electric current I
    Temperature T
    Derived Quantity:The unit of derived quantities are known as derived units. The derived units can be derived from base unit and supplementary units
    Supplementary Units:The general conference on weight and measures has not yet classified certain units of the SI under either base units or derived units such SI Units are called supplementary units This class contains only two units of purely geometrical quantities which are place angle and the said angle.
    1. Radian :It is the unit of plane angle. One radian represents a plane angle subtended at the center of a circle by on are of length equal to radius of the circle.
    2. Steradian:Steradian is the unit for a solid angle in a three dimensional space steradian is defined as "the solid angle subtended at the center of a sphere by an area of its surface equal to the square of the radius of that sphere"
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

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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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

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

  • Ans 1: The major types of errors in measurement are Systematic Error and Random Error.

    Systematic Errors:Systematic errors occurs when repeated measurements of a quantity give the same values under the same conditions.This error is due to poor calibration or zero error in the stop watch. This error can be removed by applying correction factor
  • Ans 2: Random Error: Random error occurs when repeated measurements of a quantity give different values under the same conditions. This error is due to faulty procedure or negligence and inexperience of person at the time to start or stop the stop watch. This can be reduced by taking average value of observed readings .
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

Define Base, Derived, supplementary, Units ?

  • Ans 1: Base Units:The units of base quantities are known as base unit.
    Base quantity: Symbol
    Length l
    Mass M
    Time t
    Electric current I
    Temperature T
    Derived Quantity:The unit of derived quantities are known as derived units. The derived units can be derived from base unit and supplementary units
    Supplementary Units:The general conference on weight and measures has not yet classified certain units of the SI under either base units or derived units such SI Units are called supplementary units This class contains only two units of purely geometrical quantities which are place angle and the said angle.
    1. Radian :It is the unit of plane angle. One radian represents a plane angle subtended at the center of a circle by on are of length equal to radius of the circle.
    2. Steradian:Steradian is the unit for a solid angle in a three dimensional space steradian is defined as "the solid angle subtended at the center of a sphere by an area of its surface equal to the square of the radius of that sphere"
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Explain " Rounding off numbers ?

  • Ans 1: The quantities in a measurement are always rounded off to certain level of accuracy. The following rules must be observed while rounding off a number.
    1. If the dropping digits is less than "5" then the last retained digit is kept as it is For example 863.73 is rounded to 863.7
    2. If the dropping digits is greater than '5' then the last retained digits is increased by '1' for example 9.66 is rounded to 9.7
    3. If the dropping digits is '5' and the last retained digit is even then it will be remain uneffected. For example 66.45 is rounded to 66.4
    4. If the dropping is '5' and the last retained digit is add, then it will be increases by '1' for example 76.35 is rounded to 76.4
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