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Physics 2001 WAEC Past Questions

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41
In the circuit diagram above. Calculate the energy stored in the inductor at resonance
  • A. 0.100J
  • B. 0.050J
  • C. 0.010J
  • D. 0.005J
View Answer & Discuss (4) WAEC 2001
42
Calculate the reactance of the inductor in the circuit diagram shown above [\(\pi = \frac{22}{7}\)]
  • A. 132\(\Omega\)
  • B. 214\(\Omega\)
  • C. 264\(\Omega\)
  • D. 269\(\Omega\)
View Answer & Discuss WAEC 2001
43
Production of x-ray tube begins with
  • A. photo electric emission
  • B. collision of electrons
  • C. thermionic emission
  • D. field emission of electrons
View Answer & Discuss WAEC 2001
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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44

A nitrogen nucleus bombarded with an alpha particle produces an oxygen nucleus and a proton. The nuclear reaction for this process is \(^4_2H + ^{14}_2N \to ^{17}_{8}O + ^1_1H + Q\). Which of the following statements about the reaction is not correct?

  • A. the bombardment results into a nucleus with greater proton number
  • B. it is an induced nuclear reaction
  • C. it is a natural radioactive decay
  • D. the sum of the final nucleon numbers
View Answer & Discuss (8) WAEC 2001
45
Electrons passing through crystals are diffracted because they
  • A. are repelled by the atoms in the crystal
  • B. are attracted by the atoms in the crystals
  • C. possess wave properties
  • D. are particles
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts