Waec Physics Past Questions For Year 2018

Question 1

The property of a body to remain at rest or to continue in uniform motion in a straight line is called

waec 2018

  • A. momentum
  • B. Inertia
  • C. impulse
  • D. Energy
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Question 2

The diagram above illustrates a simple barometer. Which distance measures the atmospheric pressure?

waec 2018

  • A. PQ
  • B. QR
  • C. RS
  • D. QS
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Question 3

The general definition of elastic modulus is

waec 2018

  • A. \(\frac{stress}{strain}\)
  • B. \(\frac{strain}{stress}\)
  • C. \(stress \times strain\)
  • D. \(\sqrt{\frac{stress}{strain}}\)
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Question 4

The S.I unit for sound energy is

waec 2018

  • A. Hz
  • B. cd
  • C. dB
  • D. J
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Question 5

Which of the following quantities are dimensionally independent?

I. Dielectric constant II. Momentum III. Efficiency IV. Refractive index

waec 2018

  • A. Dielectric constant II. Momentum III. Efficiency IV. Refractive index
  • B. I and II
  • C. II, III and IV
  • D. I, II, III and IV
  • E. I, III and IV
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