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 Base and Derived Units.

  • Ans 1: Base Unit: The unit that describe base quantities are called base units.
    Examples: Unit of length is meter and Unit of mass is kilogram.
  • Ans 2: Derived Units: The units used to measure derived quantities are called derived units.
    Examples: Unit velocity is Meter per second (ms) Unit of acceleration is meter m3, Unit of force (Newton) N, Unit of presure is Pascal (Pa) Unit of charge Coulomb (C)
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 1

Question # 1

Define Base and Derived Units.

  • Ans 1: Base Unit: The unit that describe base quantities are called base units.
    Examples: Unit of length is meter and Unit of mass is kilogram.
  • Ans 2: Derived Units: The units used to measure derived quantities are called derived units.
    Examples: Unit velocity is Meter per second (ms) Unit of acceleration is meter m3, Unit of force (Newton) N, Unit of presure is Pascal (Pa) Unit of charge Coulomb (C)
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

What type of blood vessels surrounds the alveoli?

  • Ans 1: Artery
  • Ans 2: Arteriole
  • Ans 3: Capillary
  • Ans 4: Vein
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Question # 1

Define prefixes and write two examples.

  • Ans 1: Prefixes: Prefixes are the words or letters added before a unit and stand for the multiples or sub-multiples of that unit
  • Ans 2: Examples: Kilo (k) mega (m), micro (m), milli (m) etc.
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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

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

  • Ans 1: These are the certain specific power of ten which have been given special name and symbols and are frequently used in measurement.Explanation:Sometimes, we have to deal with quantities that are very large or very small as compared to the base unit. under such condition, we higher or lower unit of the base unit.For convenience, we express a large or small number by using certain prefixes, such as eenti, milli, Micro, Kilo, etc to the number they are given special names and symbols and certain power of 10 to multiply a quantity
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

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

  • Ans 1: Errors:The difference between measured value and actual value of a quantity is known as Error.
    Uncertainty:An estimate of the possible range of an error is known as uncertainty. (OR)
    The error which arises due to natural imperfections of the experimenter, the limitations of the apparatus and the changes in the environment during the measurement is known as uncertainty.
    Precision:The measure of the consistency of measurements is known as precision. It requirements the magnitude of error in measurements.
    Accuracy:The measure of correctness of a measurements is known as accuracy"
    The Accuracy means to check how the measure values is closer to the actual value It is a relative is closer to the actual value.It is a relative error. it can be obtained by dividing the error with measured quantity The accuracy depends on the error is greater than smaller will be the accuracy of the measurement can be increased by taking several reading and then take their average
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Define meter and Kelvin.

  • Ans 1: Meter: One meter is the distance travelled by light in vacuum during a time of 1 /299, 792,458 seconds.
    Kelvin: One kelvin is the fraction 1/273.16 of the thermodynamic temperature the triple point of water.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

Differentiate between Base Units and Derived Units.

  • Ans 1: Base Units:The units associated with the base quantities are called base units. Other units are derived from base units . There are meter, Kilogram, second, candela, mole, ampere, kelvin.

    Derived Units: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 and pascal are derived units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

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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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

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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