Physics Exam Past Questions and Answers | JAMB, WAEC and NECO

Physics is the science that studies the nature and properties of matter and energy. It covers topics like motion, heat, light, sound, electricity, magnetism, and the structure of atoms.

• Question 2151:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 2152: In alternating current circuit at resonance, the angel of lead or lag is Options:
  A) π°
  B) (π)/2°
  C) (π)/3°
  D) 0°
  Show Answer
  The correct answer is B .
• Question 2153: The angle between the magnetic meridian and the geographic meridian at a locality on the earth is the Options:
  A) longitude of the locality
  B) angle of inclination at the locality
  C) latitude of the locality
  D) angle of declination of the locality
  Show Answer
  The correct answer is D .
• Question 2154: Which of the following instruments has a pure tone? Options:
  A) guitar
  B) vibrating strings
  C) tuning fork
  D) siren
  Show Answer
  The correct answer is C .
• Question 2155: The velocity of sound in air will be doubled if it's absolute temperature is Options:
  A) Quadrupled
  B) Constant
  C) Halved
  D) Doulbed
  Show Answer
  The correct answer is A .
• Question 2156: In a resonance tube experiment, the effective length of the air column for the first resonance is 20cm when set into vibration by a tuning fork of frequency 480Hz. Neglecting and effect, the velocity of sound in air is Options:
  A) 96ms^-1
  B) 255ms^-1
  C) 340ms^-1
  D) 384ms^-1
  Show Answer
  The correct answer is D .
• Question 2157: A given mass of an ideal gas occupies a volume V at a temperature T and under a pressure p. If the pressure is increased to 2p and the temperature reduced to $\frac{1}{2T}$, then the percentage change in the volume of the gas is Options:
  A) 0%
  B) 25%
  C) 75%
  D) 300%
  E) 400%
  Show Answer
  The correct answer is C .
• Question 2158: Any line or section through an advancing wave in which all the particles are in the same phase is called the Options:
  A) wave lenght
  B) wave crest
  C) wave trough
  D) wave amplitude
  E) wave front
  Show Answer
  The correct answer is E .
• Question 2159: Thermal equilibrium between two object exist when Options:
  A) the temperature of both objects are equal
  B) the quantity of heat of both objects is the same
  C) the heat capacities of both objects are the same
  D) one object losses heat continuously to the other
  Show Answer
  The correct answer is A .
• Question 2160: An object of mass 2kg moves for 5s with a uniform velocity of 10ms. What is the magnitude of its acceleration in ms^-2
  ? Options:
  A) zero
  B) 2.5
  C) 10
  D) 12.5
  E) 100
  Show Answer
  The correct answer is A .