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

Explore 25 free Units 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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Units and Measurement questions and exercises with answers

Showing questions 1–25 of 25.

As per your syllabus, Table 1.1, the SI system has how many BASE quantities and units?Read the answer and worked solution →As per your syllabus, the diameter of a hydrogen atom (≈ 1.06 × 10⁻¹⁰ m) has order of magnitude equal to which value?Read the answer and worked solution →Tap every SI base quantityRead the answer and worked solution →Match each base quantity to its SI unitRead the answer and worked solution →Base unit or derived unit?Read the answer and worked solution →Complete the structure of a unit systemRead the answer and worked solution →True or false: the SI systemRead the answer and worked solution →Naming the unitsRead the answer and worked solution →True or false: measurement in physicsRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Flip and pair: quantity with unitRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Base or derived, in practiceRead the answer and worked solution →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

As per your syllabus, Table 1.1, the SI system has how many BASE quantities and units?

  1. 7
  2. 8
  3. 6
  4. 5
Show answer and solution

Correct answer: A. 7

syllabus Table 1.1: 7 SI base units = m, kg, s, A, K, mol, cd. Plus 2 supplementary (rad + sr) that are dimensionless.

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As per your syllabus, the diameter of a hydrogen atom (≈ 1.06 × 10⁻¹⁰ m) has order of magnitude equal to which value?

  1. -11
  2. -8
  3. -10
  4. -9
Show answer and solution

Correct answer: C. -10

Your syllabus: a = 1.06 ≤ 5, so 10⁻¹⁰ m. Order of magnitude = -10.

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Tap every SI base quantity

Read exercise and reference answers
Questions
  1. Items
    1. Text
      Length
      Matches the category
      Yes
    2. Text
      Mass
      Matches the category
      Yes
    3. Text
      Time
      Matches the category
      Yes
    4. Text
      Electric current
      Matches the category
      Yes
    5. Text
      Force
      Matches the category
      No
    6. Text
      Energy
      Matches the category
      No
    Category
    An SI BASE quantity
  2. Items
    1. Text
      Thermodynamic temperature
      Matches the category
      Yes
    2. Text
      Amount of substance
      Matches the category
      Yes
    3. Text
      Luminous intensity
      Matches the category
      Yes
    4. Text
      Pressure
      Matches the category
      No
    5. Text
      Velocity
      Matches the category
      No
    Category
    Also an SI BASE quantity
The chapter names exactly seven. Source: syllabus Physics, Ch 1 Units and Measurement.

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