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 1861:
  

  In the figure, the value of R is

  Options:
  A) 3$\mathrm{\Omega }$
  B) 6$\mathrm{\Omega }$
  C) 4$\mathrm{\Omega }$
  D) 5$\mathrm{\Omega }$
  Show Answer
  The correct answer is B .
• Question 1862:

  In an elastic collisionI. Energy is conserved

  II. Energy is decreased

  III. Energy is increased

  IV. Linear momentum conversed

  Options:
  A) I only
  B) II and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .
• Question 1863: In the Rutherford scattering experiment, a beam of alpha particles was fired at a thin gold film with some of the particles being considerably deflected. This shows that Options:
  A) a gold nucleus contains protons, neutrons and electrons uniformly distributed in a tiny volume
  B) the gold nucleus is positively charged and is concentrated in a tiny volume
  C) the gold nucleus emitted alpha particles
  D) the gold nucleus is concentrated in a tiny volume and contains alpha particles
  Show Answer
  The correct answer is B .
• Question 1864: A man walks 1km due east and then 1km due north. His displacement is Options:
  A) 1 km N15^oE
  B) 1 km N30^oE
  C) $\sqrt{2}$km N 45^oE
  D) $\sqrt{2}$km N 60^oE
  E) 2km N 75^oE
  Show Answer
  The correct answer is C .
• Question 1865: PHCN measures its electrical energy in Options:
  A) W
  B) KWh
  C) Wh
  D) J
  Show Answer
  The correct answer is B .
• Question 1866:

  How much net work is required to accelerate a 1200 kg car from 10$m{s}^{-1}$ to 15$m{s}^{-1}$

  Options:
  A) 1.95×${10}^{5}j$
  B) 1.35×${10}^{4}j$
  C) 7.5×${10}^{4}j$
  D) 6.0×${10}^{4}j$
  Show Answer
  The correct answer is C .
• Question 1867:

  

  A body is under action of a force F such that the force displacement graph of the body is semi circular as shown above. The work done on the body by the force in moving through 24 meters is

  Options:
  A) 36π J
  B) 72π J
  C) 144π J
  D) 288π J
  Show Answer
  The correct answer is B .
• Question 1868: Steam burn is more severe than that of boiling water because Options:
  A) steam burn is independent of relative humidity
  B) stem possesses greater heat energy per unit mass
  C) water boils at a higher temperature
  D) steam burn is dependent on relative humidity
  Show Answer
  The correct answer is B .
• Question 1869: A heating coil rated 1000 W is used to boil off completely 2 kg of boiling water. the time required to boil of the water is_______[Special latent heat of Vaporization of water = 2.3 x 10⁶ Jkg^-1] Options:
  A) 1.15 x 10⁴s
  B) 1.15 x 10³s
  C) 4.6 x 10⁴s
  D) 4.6 x 10³s
  Show Answer
  The correct answer is D .
• Question 1870: When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The ratio of the specific heat capacity of P to Q is Options:
  A) 1 : 4
  B) 4 : 1
  C) 1 : 1
  D) 2 : 1
  Show Answer
  The correct answer is C .