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Indian Navy Pilot Physics and Measurement — practice questions

Explore 43 free Physics 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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Physics and Measurement questions and exercises with answers

Showing questions 1–30 of 43.

Significant figures in 0.00302:Read the answer and worked solution →Dimension of universal gravitational constant G:Read the answer and worked solution →Dimensions of frequency:Read the answer and worked solution →In SI, prefix 'tera' represents:Read the answer and worked solution →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 →True or false: what Aristotle got wrongRead the answer and worked solution →Complete Newton's first lawRead the answer and worked solution →Which law is this?Read the answer and worked solution →MomentumRead the answer and worked solution →True or false: inertia and forceRead 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 →Tap every statement the first law licensesRead the answer and worked solution →Flip and pair: name with contributionRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Order the historical argumentRead 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 →

Worked practice questions

Significant figures in 0.00302:

  1. 3 (leading zeros don't count, trailing/internal zeros do)
  2. 1
  3. 5
  4. 2
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Correct answer: A. 3 (leading zeros don't count, trailing/internal zeros do)

Leading zeros not significant. **So 0.00302 has 3 sig figs: 3, 0, 2.**

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Dimension of universal gravitational constant G:

  1. M⁻¹L³T⁻² (from F = Gm₁m₂/r²)
  2. Dimensionless
  3. MLT⁻²
  4. ML²T⁻²
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Correct answer: A. M⁻¹L³T⁻² (from F = Gm₁m₂/r²)

F = Gm₁m₂/r². G = Fr²/m₁m₂. [G] = MLT⁻² × L² / M² = M⁻¹L³T⁻². **SI:** N m²/kg² = 6.67 × 10⁻¹¹.

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Dimensions of frequency:

  1. T
  2. T⁻¹
  3. L
  4. M
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Correct answer: B. T⁻¹

Frequency = cycles per second. [ν] = T⁻¹. SI: hertz (Hz). **Angular frequency:** ω = 2πν, same dimensions T⁻¹.

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