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Properties Of Matter & Their Measurement Notes | Study Additional Documents and Tests for JEE - JEE

Document Description: Properties Of Matter & Their Measurement for JEE 2022 is part of Additional Documents and Tests for JEE preparation. The notes and questions for Properties Of Matter & Their Measurement have been prepared according to the JEE exam syllabus. Information about Properties Of Matter & Their Measurement covers topics like Property of Matter, Units for Measurement, Fundamental Units and Properties Of Matter & Their Measurement Example, for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Properties Of Matter & Their Measurement.

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Table of contents
Property of Matter
Units for Measurement
Fundamental Units
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Property of Matter

  • Physical Property: The property which can be measured without changing the chemical composition of the substance is known as physical property.
    Example: mass, volume, density, refractive index, boiling point, melting point, etc.
  • Chemical Property: The property which can be evaluated at the cost of matter itself is known as chemical property.
    Example: oxygen gas can be verified by burning of flame in presence of oxygen gas.

Units for Measurement

All physical quantities have to be measured. The value of a physical quantity is expressed as the product of the numerical value and the unit in which it is expressed.

Fundamental Units

Fundamental units are those units which can neither be derived from one another nor they can be further resolved into any other units.

  • Metric System was based on the decimal system.
  • The International System of Units (SI)

The International System of Units (in French Le Systeme International d’Unites– abbreviated as SI) was established by the 11th General Conference on Weights and Measures (CGPM from Conference Generale des Poids at Measures).
The SI system has seven base units.
Seven Basic S.I. UnitsSeven Basic S.I. Units

The Seven Fundamental Units of measurement in S.I. system.
Properties Of Matter & Their Measurement Notes | Study Additional Documents and Tests for JEE - JEE

Definitions of S.I. Base Units

  • Unit of length:  Metre
    The meter is the length of the path travelled by light in vacuum during a time interval of 1/299 792 458 of a second. Unit of mass kilogram
  • The kilogram is the unit of mass; it is equal to the mass of the international prototype of the kilogram.
  • Unit of time second The second is the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium-133 atom.
  • Unit of electric current ampere: The ampere is that constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 meter apart in vacuum, would produce between these conductors a force equal to 2 × 10–7 newton per meter of length.
  • Unit of thermodynamic kelvin: is the fraction 1/273.16 of the thermodynamic temperature of the triple point of water.
  • Unit of amount of substance mole: The mole is the amount of substance of a system which contains as many elementary entities as there are atoms in 0.012 kilogram of carbon-12; its symbol is “mol.” 2. When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles. 
  • Unit of luminous intensity candela: The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian.

Derived units: Some quantities are expressed as a function of more than one fundamental unit known as derived units.
Example: velocity, acceleration, work, energy, area, density, etc.
Properties Of Matter & Their Measurement Notes | Study Additional Documents and Tests for JEE - JEE

Try Yourself!

Question for Properties Of Matter & Their Measurement
Try yourself:The temperature at which both the Celsius and Fathrenheit scales will have the same reading is
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Question for Properties Of Matter & Their Measurement
Try yourself:Pressure is determined as force per unit area of surface. The SI unit of pressure, pascal is as shown below:
1Pa = 1Nm-2
If the mass of air at sea level is 1034 g cm-2, the pressure in pascal is
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Question for Properties Of Matter & Their Measurement
Try yourself:The prefix femto stands for
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Question for Properties Of Matter & Their Measurement
Try yourself:N kg-1 is the unit of 
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Question for Properties Of Matter & Their Measurement
Try yourself:Which of the following is correct?
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Question for Properties Of Matter & Their Measurement
Try yourself:The units, nanometer, Fermi, Angstrom and attometre, Arrangement in decreasing order are expressed as 
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Question for Properties Of Matter & Their Measurement
Try yourself:Dimensions of pressure are same as that of 
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