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 units. Give one example.

  • Ans 1: Base Units: The units that describe base quantities are called base units.
  • Ans 2: Example: Kilogram (kg) base unit of mass (bass quantity
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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 base units. Give one example.

  • Ans 1: Base Units: The units that describe base quantities are called base units.
  • Ans 2: Example: Kilogram (kg) base unit of mass (bass quantity
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

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

  • Ans 1: work, Force
    Work is derive from base quantities mass, length and time.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

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 4

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 5

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 6

Question # 1

Write the main type of error.

  • Ans 1: There are two types of errors possible I n physical measurements.
    1. Random error
    2. Systematic error
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Explain the term " precision" and accuracy ?

  • Ans 1: The 'Precision represents the magnitude of error in a measurement while the accuracy means to check how the measured values are closer to the actual value. The accuracy represents the relative error. It can be obtained by dividing the error with measured quantity.
    The accuracy depends on the error if the error is greater than smaller will be the accuracy of the measurements and vice versa.
    The accuracy of the measurements can be increased by taking several readings and take their average.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

What rules are of rounded off the significant figure?

  • Ans 1:
    1. If the first digit dropped is less than 5, the last digit retained should remain unchanged.
    2. If the first digit dropped is more than 5, the digit to be retained is increased by one.
    3. If the first digit to be dropped is 5 the previous digit which is to be retained is increased by one if it is odd and retained as such if it is even.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

Define and explain supplementary units?

  • Ans 1: The general conference on Weights and Measures has not yet classified certain unit of SI under either base or derived units. These SI units are called supplementary units.
    Radian and Steradian are supplementary units.
    Radian: The radian is the plane angle between two radii of a circle which cut off on the circumference an arc, equal I length to the radius. It is two dimensional angles.
    Steradian: The Sterdian is the solid angle subtended at the center of the sphere by an area of its surface equal to the square of radius of the sphere. It is three dimensional angles.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

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 Short Questions Test

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