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Monday, 13 April 2026
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Physics Past Questions and Answers

Physics Questions

Question 4056:
WAEC 2018
When the speed of a car is halved, its kinetic energy is
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  • A Doubled
  • B Quartered
  • C Halved
  • D Quadrupled
View Answer & Explanation
Question 4057:
WAEC 2018
A wire of length 400cm is stretched between two fixed points. When plucked, its fundamental frequency is 150Hz. Calculate the speed of the wave produced.
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  • A 250\(ms^{-1}\)
  • B 625\(ms^{-1}\)
  • C 1200\(ms^{-1}\)
  • D 1500\(ms^{-1}\)
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Question 4058:
WAEC 2018
The diagram above illustrates a waveform. Determine the number of wavelengths in it
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  • A 4
  • B 3\(\frac{1}{2}\)
  • C 2\(\frac{1}{2}\)
  • D 2
View Answer & Explanation
Question 4059:
WAEC 2018
A resistor with fixed resistance value is called a
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  • A Resistance box
  • B Standard resistor
  • C Shunt resistor
  • D Multiplier resistor
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Question 4060:
WAEC 2018
Which of the following statements is not an advantage of an alkaline accumulator?
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  • A The electrolyte does not need attention
  • B It can be recharged
  • C It has low internal resistance
  • D It has a much longer life than lead-acid accumulator
View Answer & Explanation

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