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 371: An aircraft travelled from calabar to kano as follows: it flew first to ilorin convering a distance of 300km, 30^o west of North, and then flew 400km, 60^o East of North to kano. What is the resultant displacement? Options:
  A) 567km
  B) 410km
  C) 594km
  D) 500km
  E) 600km
  Show Answer
  The correct answer is D .
• Question 372: In a Daniel cell, the depolarizer, positive and negative electrodes are respectively Options:
  A) copper sulphate, copper and zinc
  B) manganese dioxide, carbon and zinc
  C) sulphuric acid, lead oxide and lead
  D) potassium hydroxide, nickel and iron.
  Show Answer
  The correct answer is A .
• Question 373: Two balls X and Y weighing 5 g and 50 kg respectively were throne up vertically at the same time with a velocity of 100 ms¹ .How will their positions be one second later? Options:
  A) X and Y will be 500 m from each other
  B) Y will be 500 m ahead of X
  C) X will be 500 m ahead of Y
  D) X and Y both be 500 m from the poin of throw
  Show Answer
  The correct answer is D .
• Question 374: The sharpness of the boundary of the shadow of an object is determined by the Options:
  A) intensity of light striking the object
  B) rays of light passing through the object
  C) nature of the object
  D) opacity of the object
  Show Answer
  The correct answer is B .
• Question 375: Two capacitance of 6$\mu$F and 8$\mu$F are connected in series. What additional capacitance must be connected in series with this combination to give a total of 3$\mu$F Options:
  A) 3$\mu$F
  B) 16$\mu$F
  C) 24$\mu$F
  D) 30$\mu$F
  Show Answer
  The correct answer is C .
• Question 376:

  Three resistors with resistance 200Ω, 500Ω and 1kΩ are connected in series. A 6v battery is connected to either end of the combination. Calculate the potential difference between the ends of 200Ω resistance.

  Options:
  A) 0.71V
  B) 0.7V
  C) 0.82V
  D) 0.8V
  Show Answer
  The correct answer is A .
• Question 377: Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts completely in 1 min.What is the power rating of the source of heat? [Latent heat of fusion of ice = 336Jg^-1] Options:
  A) 336W
  B) 450W
  C) 560W
  D) 600W
  Show Answer
  The correct answer is C .
• Question 378: What is the cost of running seven 40 W lamps and five 80 W la mps for 12 hours of the electrical energy cost N7.00kWk? Options:
  A) N80.00
  B) N45.36
  C) N65.00
  D) N57.12
  Show Answer
  The correct answer is D .
• Question 379:

  The electrochemical equivalent of silver is 0.0012g/C. If 36.0g of silver is to be deposited by electrolysis on a surface by passing a steady current for 5mins, the current must be?

  Options:
  A) 6000A
  B) 100A
  C) 10A
  D) 1A
  Show Answer
  The correct answer is B .
• Question 380: If the angle of declination in a place is 10^oE, calculate the true geographic bearing if the compass reads N40^oE Options:
  A) N50^oE
  B) N40^oE
  C) N30^oE
  D) N25^oE
  Show Answer
  The correct answer is C .