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 1331: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1332:

  

  The diagram above shows two capacitors P and Q of capacitance 5μF and 10μF. Find the charges stored in P and Q respectively

  Options:
  A) 2μC and 4μC
  B) 4μC and 2μC
  C) 100μC and 200μC
  D) 200μC and 100μC
  Show Answer
  The correct answer is C .
• Question 1333: What is the uncertainty in the measurement of time, if the uncertainty in measuring the energy of an electron of mass 10^-30 kg is 2.45 × 10^-19J? h = 6.6 × 10^-34 Options:
  A) 1.35 ×10^-15s
  B) 2.69 × 10^-15s
  C) 4.15 × 10^-15s
  D) 9.05 × 10^-15s
  E) 1.62 × 10^-14s
  Show Answer
  The correct answer is B .
• Question 1334: When a charge moves through an electric circuit in the direction of an electric force, it Options:
  A) gains both potential and kinetic energy
  B) gains potential energy and lose kinetic energy
  C) loses potential energy and gains kinetic energy
  D) loses both potential and kinetic energy
  Show Answer
  The correct answer is A .
• Question 1335:

  I. Melting
  II. Boiling
  III. Refraction
  IV. Conduction

  Which combination of the above is evident of the molecular nature of matter?

  Options:
  A) II , III and IV only
  B) I ,II and IV only
  C) I , III and IV only
  D) I , II and III only
  Show Answer
  The correct answer is B .
• Question 1336:

  Heat may be transferred by conduction, convention and radiation. By which of these methods does heat travel through vacuum?

  Options:
  A) Conduction only
  B) Convection only
  C) Radiation only
  D) All these methods
  Show Answer
  The correct answer is C .
• Question 1337: A particle in circular motion performs 30 oscillation in 6 seconds. Its angular velocity is Options:
  A) 5 rad s^-1
  B) 6 rad s^-1
  C) 5π rad s^-1
  D) 10π rad s^-1
  Show Answer
  The correct answer is D .
• Question 1338:

  

  What is the resultant resistance in the circuit given above

  Options:
  A) 11Ω
  B) 8Ω
  C) 4Ω
  D) 3.6Ω
  E) 4.3Ω
  Show Answer
  The correct answer is B .
• Question 1339: 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 1340: Which of the following is not a mechanical wave? Options:
  A) wave in closed pipe
  B) radio waves
  C) water waves
  D) sound waves
  Show Answer
  The correct answer is B .