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Indian Navy 10+2 B.Tech Cadet Physics and Measurement — practice questions — page 2

Explore 40 free Physics and Measurement questions in Indian Navy 10+2 B.Tech Cadet Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Physics and Measurement questions and exercises with answers

Showing questions 31–40 of 40.

Which base quantity does this unit measure?Read the answer and worked solution →True or false: standardised unitsRead the answer and worked solution →Tap every derived unit with a special nameRead the answer and worked solution →Complete the idea of a system of unitsRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: unitsRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Flip and pair: derived unit with what it measuresRead the answer and worked solution →Order the steps: build a derived unitRead the answer and worked solution →Counting the base unitsRead the answer and worked solution →

Worked practice questions

Which base quantity does this unit measure?

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Items
  1. Item
    kilogram
    Category
    Mass
  2. Item
    measured in kg
    Category
    Mass
  3. Item
    second
    Category
    Time
  4. Item
    measured in s
    Category
    Time
  5. Item
    ampere
    Category
    Electric current
  6. Item
    measured in A
    Category
    Electric current
Categories
  1. Item
    Mass
  2. Item
    Time
  3. Item
    Electric current
Pairing units back to their quantities. Source: syllabus Physics, Ch 1 Units and Measurement.

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True or false: standardised units

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Questions
  1. Statement is true
    Yes
    Statement
    A unit is an arbitrarily chosen reference standard.
  2. Statement is true
    Yes
    Statement
    Once chosen, it is properly standardised.
  3. Statement is true
    No
    Statement
    Different countries may use different SI base units.
  4. Statement is true
    Yes
    Statement
    SI is internationally accepted.
  5. Statement is true
    Yes
    Statement
    Measurements need both a number and a unit.
A unit is arbitrary in choice but fixed by agreement. Source: syllabus Physics, Ch 1 Units and Measurement.

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Tap every derived unit with a special name

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Questions
  1. Items
    1. Text
      joule
      Matches the category
      Yes
    2. Text
      newton
      Matches the category
      Yes
    3. Text
      watt
      Matches the category
      Yes
    4. Text
      metre
      Matches the category
      No
    5. Text
      second
      Matches the category
      No
    Category
    A derived unit with a special name
The chapter names these three. Source: syllabus Physics, Ch 1 Units and Measurement.

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