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

Draw a table for base units.

  • Ans 1: Base Quantity. Base units Symbol
    Length Metre m
    Mass Kilogram kg
    Time ampere s
    Electric Current Kelvin A
    Thermodynamic Temperature Mole K
    Amount of substance Candela mol
    Luminous Intensity Second cd
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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

Draw a table for base units.

  • Ans 1: Base Quantity. Base units Symbol
    Length Metre m
    Mass Kilogram kg
    Time ampere s
    Electric Current Kelvin A
    Thermodynamic Temperature Mole K
    Amount of substance Candela mol
    Luminous Intensity Second cd
Submit

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

What are three fundamental frontiers of fundamental science?

  • Ans 1: The three fundamental frontiers of fundamental science are:
    1. The world of extremely large bodies.
    2. The world of extremely small objects.
    3. The world of middle sized objects. OR The world of complex matter.
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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

what is diffraction?

  • Ans 1: the bending or spreading of waves around the sharp edges or obstacles is called diffraction.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Discuss the conventions for using SI units?

  • Ans 1: The various conventions for using SI are given below.
    1. Full name of the unit does not begin with a capital letter even if named after a scientist.
    2. symbol of unit name after scientist has initial capital latter for for example N for newton Pa for pascal H3 for hertz etc
    3. The prefixes is written before an adjacent to the unit
    4. The combination of units is written each with one space a part For example , Torque =55 N m
    5. Double, triple etc prefixes are not allowed
    6. When a multiple of base unit is raised to a power. The power applies to the whole multiple and not just the base unit
    7. Before substituting values in the formula to calculate the final result make sure that all the included physical quantities are expressed in their SI units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Why a screw gauge measures more accurately than a vernier cllipers

  • Ans 1: Because least count of screw guage is 0.01mm and divide 1mm into 10 equal parts. But least count of vernier calipers is 0.1mm and 1mm. divide into 10 equal parts.
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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

Define acromegaly. Give its cause.

  • Ans 1: Abnormal increase in size of appendages and other body parts sue to excess release of thyroxin is called acromegaly.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

Define nuclear physics.

  • Ans 1: The branch of physics which deals with the study of the constituent particles and interactions of atomic nuclei is called Nuclear Physics.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

What are derived units? Explain.

  • Ans 1: 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 Short Questions Test

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