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 1061: Which of the following is a set of vectors? Options:
  A) force, mass and moment
  B) acceleration, velocity and moment
  C) mass, weight and density
  D) mass, volume and density
  Show Answer
  The correct answer is B .
• Question 1062: The energy E of a photon and it's wavelength are related by Eλ = X. the numerical value of X is?
  [h = 6.63 x 10^-34js, c = 3 x 10⁸ ms^-1] Options:
  A) 6.6 X 10^-28
  B) 1.99 X 10^-27
  C) 6.60 x 10^-26
  D) 1.99 x 10^-25
  Show Answer
  The correct answer is D .
• Question 1063:

  Calculate the mass of ice that would melt when 2kg of copper is quickly transferred from boiling water to a block of ice without heat loss;

  Specific heat capacity of copper = 400JKg^-1K^-1

  Latent heat of fusion of ice = 3.3 x 10⁵JKg^-1

  Options:
  A) 8/33kg
  B) 33/80kg
  C) 80/33kg
  D) 33/8kg
  Show Answer
  The correct answer is A .
• Question 1064: Which of the following phenomena is called photoelectric effect? Options:
  A) high energy electrons impinge on a metalic anode which then emits photons
  B) a high energy photon emits photons as it slowed down
  C) a metal absorbs quanta of light and then emits electrons
  D) Two electrons are created from a quantum of light
  Show Answer
  The correct answer is C .
• Question 1065: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 1066: A short response to time is obtained in liquid-in-glass thermometer when the Options:
  A) bulb is large and thick-walled
  B) stem is long and thin
  C) bulb is small and thicked-walled
  D) liquid is of high density and the bore is large
  E) bulb is thin-walled and the liquid is a good conductor of heat
  Show Answer
  The correct answer is E .
• Question 1067: A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is Options:
  A) 4800 cal
  B) 6000 cal
  C) 2400J
  D) 240k cal
  E) 6000J
  Show Answer
  The correct answer is E .
• Question 1068: A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced to 120Ω when Options:
  A) A 300Ω resistor is connected to it in parallel
  B) An 80Ω resistor is conneceted to it in series
  C) A 150Ω resistor is connected to it in parallel
  D) A 240Ω resistor is connected to it in series
  Show Answer
  The correct answer is A .
• Question 1069: Transverse waves can be distinguished from longitudinal waves using the characteristic of Options:
  A) diffraction
  B) refraction
  C) polarization
  D) reflection
  Show Answer
  The correct answer is C .
• Question 1070:

  A hydrometer is an instrument formeasuring the

  Options:
  A) a depth of water of water in a vessel
  B) relative density of a liquid by the method of flotation
  C) relative density of a liquid by finding the apparent loss in weight
  D) relative humidity of the air
  Show Answer
  The correct answer is B .