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 1031:

  

  In the diagram shown, If the south-poles of two magnets stroke a steel bar, the polarities at T and V will respectively be

  Options:
  A) north and south
  B) south and south
  C) north and north
  D) south and north
  Show Answer
  The correct answer is C .
• Question 1032: A pilot records the atmospheric pressure outside its plane as 63cm of Hg while a ground observer records a reading of 75cm of Hg for the atmospheric pressure on the ground. Assuming that the density of the atmosphere is constant, calculate the height of the plane above the ground. (Relative density of Hg = 13.0 and that of air = 0.00013) Options:
  A) 1200m
  B) 6300m
  C) 7500m
  D) 13800m
  Show Answer
  The correct answer is A .
• Question 1033:

  

  When the sun, moon and the earth are as shown in the diagram above an observer standing in X is in

  Options:
  A) Penumbra and sees a partial eclipse
  B) Penumbra and sees a total eclipse
  C) umbra and sees a partial eclipse
  D) umbra and sees a total eclipse
  Show Answer
  The correct answer is A .
• Question 1034: A cell of internal resistance 2 ohms supplies current to a 6 ohms resistor. The efficiency of the cell is Options:
  A) 12.0%
  B) 25.0%
  C) 33.3%
  D) 75.0%
  Show Answer
  The correct answer is D .
• Question 1035:

  

  The resultant capacitance in the figure above is

  Options:
  A) 15.0µF
  B) 9.8µF
  C) 1.3µF
  D) 0.8µF
  Show Answer
  The correct answer is D .
• Question 1036:

  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 .
• Question 1037: The distance xm travelled by a particle in time t seconds is described by the equation x = 10 + 12t², Find the average speed of the particle between the time interval t = 2s and t = 5s Options:
  A) 60 ms^-1
  B) 72 ms^-1
  C) 84 ms^-1
  D) 108 ms^-1
  Show Answer
  The correct answer is B .
• Question 1038: 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 1039:
  

  For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?

  Options:
  A) X
  B) Z
  C) Y
  D) K
  Show Answer
  The correct answer is A .
• Question 1040:

  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 .