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

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 1–30 of 40.

SI base unit of length:Read the answer and worked solution →Quantity having same dimensions as Planck's constant:Read the answer and worked solution →For the formula λ = h/p (de Broglie), dimensional consistency:Read the answer and worked solution →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 →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 →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 →

Worked practice questions

SI base unit of length:

  1. meter
  2. yard
  3. centimeter
  4. inch
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Correct answer: A. meter

SI base units: meter (m) for length, kg for mass, s for time, ampere for current, kelvin for temperature, mole for amount, candela for luminous intensity.

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Quantity having same dimensions as Planck's constant:

  1. Energy
  2. Angular momentum [L] = ML²T⁻¹
  3. Force
  4. Torque
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Correct answer: B. Angular momentum [L] = ML²T⁻¹

Both h and L have dim ML²T⁻¹. **Quantum:** angular momentum quantized in units of ħ = h/(2π). Foundation of Bohr's model.

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For the formula λ = h/p (de Broglie), dimensional consistency:

  1. [h] = ML²T⁻¹, [p] = MLT⁻¹, [h/p] = L = wavelength ✓
  2. Inconsistent
  3. Cannot verify
  4. Random
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Correct answer: A. [h] = ML²T⁻¹, [p] = MLT⁻¹, [h/p] = L = wavelength ✓

[h] = ML²T⁻¹. [p] = MLT⁻¹. [h/p] = ML²T⁻¹ / MLT⁻¹ = L. ✓ Wavelength is L. Consistent.

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