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Indian Navy Pilot Units and Measurement — practice questions

Explore 27 free Units and Measurement questions in Indian Navy Pilot 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 1–27 of 27.

As per your syllabus, 1 STANDARD ATMOSPHERIC PRESSURE (atm) equals approximately which value?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 →As per your syllabus, Ex 1.1, the surface area of a cube of side 7.203 m to appropriate significant figures is which?Read the answer and worked solution →As per your syllabus, the dimensional formula of VELOCITY is which?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, 1 STANDARD ATMOSPHERIC PRESSURE (atm) equals approximately which value?

  1. 1.0 × 10³ Pa
  2. 0.1 × 10⁵ Pa
  3. 1.0 × 10⁵ Pa
  4. 1.013 × 10⁵ Pa
Show answer and solution

Correct answer: D. 1.013 × 10⁵ Pa

syllabus Table 1.2: 1 atm = 101 325 Pa = 1.013 × 10⁵ Pa. 1 bar = 10⁵ Pa is similar but not exactly equal.

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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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As per your syllabus, Ex 1.1, the surface area of a cube of side 7.203 m to appropriate significant figures is which?

  1. 311.3 m²
  2. 311.30 m²
  3. 311 m²
  4. 311.299 m²
Show answer and solution

Correct answer: A. 311.3 m²

syllabus Ex 1.1: 7.203 has 4 SF, so 6(7.203)² = 311.299254 m² → rounded to 4 SF → 311.3 m².

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