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 281: The effect of a particle in a fluid attaining its terminal velocity is that the Options:
  A) acceleration is maximum
  B) weight is equal to the retarding force
  C) buoyancy force is equal to the to the viscous retardind force
  D) buoyancy force is more than the weight of the fluid displaced
  Show Answer
  The correct answer is B .
• Question 282: which of the following materials is a conductor? Options:
  A) Glass
  B) Wax
  C) Sodium
  D) Plastic
  Show Answer
  The correct answer is C .
• Question 283: The amount of heat required to raise the temperature of a body is Options:
  A) Thermal energy
  B) thermal conduction
  C) heat loss
  D) specific heat capacity
  E) thermal capacity
  Show Answer
  The correct answer is E .
• Question 284:

  

  The diagram above shows a plank RS pivoted its center of gravity O and is in equilibrium with the weight P and Q. If a weight 2P is added to P the plank will be in equilibrium again by

  Options:
  A) moving Q nearer to O
  B) moving P nearer to O
  C) addding a weight Q to Q
  D) moving P further away from O
  Show Answer
  The correct answer is B .
• Question 285: Quantities of heat Q can be measured using a container called Options:
  A) Thermometer
  B) Measuring cylinder
  C) Calorimeter
  D) Meter rule
  Show Answer
  The correct answer is C .
• Question 286: An electron of charge 1.6 x 10^-19C is accelerated between two metal plates. If the kinetics energy of the electron is 4.8 x 10^-17J, the potential difference between the plate is Options:
  A) 30V
  B) 40V
  C) 300V
  D) 400V
  Show Answer
  The correct answer is C .
• Question 287:

  The conductivity of gases at low pressure can be termed as

  I. hot cathode emission

  II. thermo ionic emission

  III. cold cathode emission

  IV. Field emission

  Options:
  A) I and II
  B) II and III
  C) III and IV
  D) IV and V
  Show Answer
  The correct answer is C .
• Question 288:

  Which of the following is not a vector quantity?

  Options:
  A) momentum
  B) force
  C) temperature
  D) displacement
  Show Answer
  The correct answer is C .
• Question 289: Primary colours of light are Options:
  A) Red, blue and green
  B) Cyan, magneta and yellow
  C) Black, blue and green
  D) None of these colours
  Show Answer
  The correct answer is A .
• Question 290: Calculate the time taken for a mango fruit that fall from the tree 20 m to the ground [g = 10 ms^-2] Options:
  A) 10s
  B) 5s
  C) 4s
  D) 2s
  Show Answer
  The correct answer is D .