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 1221:

  I. Density of the liquid.

  II. Acceleration due to gravity.

  III. Type of container of the liquid.

  IV. The constituents of the liquid.

  Which of the above conditions will NOT affect the pressure of fluid?

  Options:
  A) I and III only
  B) II and III only
  C) III and IV only
  D) I and II only
  Show Answer
  The correct answer is C .
• Question 1222: An electric heater with a p.d of 240 V connected across its terminals has a total resistance of 960Ω. find the power rating of the heater. Options:
  A) 0.25 W
  B) 4.00 W
  C) 38.40W
  D) 60.00W
  Show Answer
  The correct answer is D .
• Question 1223:

  A body executing a simple harmonic motion has an angular velocity of 22 radians per second. If it has a maximum

  Options:
  A) 1100ms^-1
  B) 440 ms^-1
  C) 220 ms^-1
  D) 22 ms^-1
  E) 2.2ms^-1
  Show Answer
  The correct answer is E .
• Question 1224: The term torque means Options:
  A) the equilibrant of two concurrent forces
  B) the moment of a force about an ads
  C) the resultant of several forces acting on a body in equilibrium
  D) two coplanar forces at right angle to each other
  E) two equal and opposite forces whose lines of action do not coincide
  Show Answer
  The correct answer is B .
• Question 1225:

  A magnetic needle is suspended first at the earth's north magnetic pole and then at a point on the magnetic equator. The respective angles between the needle and the horizontal are

  Options:
  A) 0${}^o$ and 0${}^o$
  B) 60${}^o$ and 60${}^o$
  C) 90${}^o$ and 90${}^o$
  D) 90${}^o$ and 0${}^o$
  Show Answer
  The correct answer is D .
• Question 1226: A body of weight 20N displaces 12N of the liquid in which it is immersed. What is the upthrust of the liquid on the body? Options:
  A) 240N
  B) 32N
  C) 20N
  D) 12N
  E) 8N
  Show Answer
  The correct answer is D .
• Question 1227: The angle between the geographic and the magnetic meridians at a place on the earth’s surface is the Options:
  A) angle of declination
  B) angle of depression
  C) angle of dip.
  D) latitude of the place
  E) longitude of the place
  Show Answer
  The correct answer is A .
• Question 1228: The velocity ratio of an inclined plane where angle of inclination in θ is Options:
  A) Sinθ
  B) Cosθ
  C) Tanθ
  D) $\frac{1}{\sin \theta }$
  Show Answer
  The correct answer is D .
• Question 1229: Three resistors, with substances 250$\mathrm{\Omega }$, 500$\mathrm{\Omega }$ and 1k$\mathrm{\Omega }$ are connected in series. A 6V battery is connected to either end of the combination. Calculate the pot3ential difference between the end of the 250$\mathrm{\Omega }$ resistor. Options:
  A) 0.20V
  B) 0.86V
  C) 1.71V
  D) 3.43V
  Show Answer
  The correct answer is B .
• Question 1230: Which of the following is required to convert a milliammeter to an ammeter? Options:
  A) A high resistance in parallel
  B) A high resistance in series
  C) A low resistance in parallel
  D) A low resistance in series
  Show Answer
  The correct answer is C .