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 51: The thermometric properties of the thermocouple is that is Options:
  A) e.m.f. changes with temperature
  B) resistance changes with temperature
  C) volume changes with temperature
  D) pressure changes with resistance
  Show Answer
  The correct answer is A .
• Question 52: A solid weigh 10 .00 N in air, 6 N when fully immersed in water and 7 . 0 N when fully immersed in a liquid X. Calculate the relative density of the liquid, X. Options:
  A) 5/3
  B) 4/3
  C) 3/4
  D) 7/10
  Show Answer
  The correct answer is C .
• Question 53: The motion of the moving skin of a talking drum can rightly be described as Options:
  A) translational
  B) random
  C) rotational
  D) oscillatory
  E) transitory
  Show Answer
  The correct answer is D .
• Question 54:

  In the molecular explanation, heat is transferred by the

  Options:
  A) free electrons
  B) free atoms
  C) free molecules
  D) free solids
  Show Answer
  The correct answer is A .
• Question 55: A cell of emf 1.5V is connected in series with a 1Ω resistor and a current of 0.3A flows through the resistor. Find the internal resistance of the cell Options:
  A) 4.0Ω
  B) 3.0Ω
  C) 1.5Ω
  D) 1.0Ω
  Show Answer
  The correct answer is A .
• Question 56: A gas at a volume of V₀ in a container at pressure P₀ is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant? Options:
  A) P₀/5
  B) 4P₀/5
  C) P₀
  D) 5P₀
  Show Answer
  The correct answer is D .
• Question 57:

  The limiting frictional force between two surfaces depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surfaces

  Options:
  A) I only
  B) II only
  C) III only
  D) I and IV only
  Show Answer
  The correct answer is D .
• Question 58:

  The amount of energy required to change a kilogram of ice block into water without a change in temperature is?

  Options:
  A) specific latent heat of fusion of ice
  B) specific heat capacity of ice
  C) heat capacity of ice
  D) specific heat of vaporization of ice
  Show Answer
  The correct answer is A .
• Question 59: Tea pots are often silver-coated to prevent heat loss by Options:
  A) conduction only
  B) convention only
  C) convection and conduction
  D) radiation only
  Show Answer
  The correct answer is D .
• Question 60: A train has an initial velocity of 44ms^-1 and an acceleration of -4ms^-1. Its velocity after 10 seconds is Options:
  A) 2ms^-1
  B) 4ms^-1
  C) 8ms^-1
  D) 12ms^-1
  E) 16ms^-1
  Show Answer
  The correct answer is B .