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 1961:

  Natural radioactivity consists of emission?

  Options:
  A) $\alpha$-particles and $\beta$-rays
  B) $\alpha$-particles and X-rays
  C) $\gamma$-ray and X-rays
  D) $\alpha$-particles and $\beta$-rays and $\gamma$-rays
  Show Answer
  The correct answer is D .
• Question 1962:

  

  A beam of radiation is passed between a pair of charged plates as indicated in the fig above. Beam P is undetected While Q is deflected to the left. P and Q respectively should be

  I.γ-rays β-rays
  II. x-rays β-rays
  III. γ-rays x-rays
  IV. x-rays x-rays

  Options:
  A) I only
  B) III only
  C) I and II
  D) III and IV
  Show Answer
  The correct answer is A .
• Question 1963:

  

  In the diagram above, if the internal resistance of the cell is zero, the ration of the powers P₁ and P₂ dissipated by R₁ and R₂

  Options:
  A) ^R₂/_R1
  B) ^R₁/_R2
  C) ^R₁+R₂/_R1
  D) ^R₁+R₂/_R2
  Show Answer
  The correct answer is A .
• Question 1964:

  Which of the following does NOT describe the Image formed by a plane minor?

  Options:
  A) Erect
  B) Laterally inverted
  C) Same distance from mirror as object
  D) Magnified
  Show Answer
  The correct answer is D .
• Question 1965: What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42? Options:
  A) 21^o
  B) 22^o
  C) 23^o
  D) 24^o
  Show Answer
  The correct answer is D .
• Question 1966:

  

  The value of T in the figure above is

  Options:
  A) 30N
  B) 10.0N
  C) 20N
  D) 40N
  Show Answer
  The correct answer is D .
• Question 1967:

  I. The frictional force is independent of the area of the surfaces in conduct

  II. The frictional force depends on the nature of the surfaces in contact

  III. The frictional force depends on the speed of sliding

  IV. The frictional force is directly proportional to the normal reaction.Which combination of the above is true of sliding friction?

  Options:
  A) I, III and IV
  B) I, II and IV
  C) I, II and III
  D) II, III and IV
  Show Answer
  The correct answer is B .
• Question 1968: When an atom loses or gains a charge, it becomes Options:
  A) an electron
  B) an ion
  C) a neutron
  D) a proton
  Show Answer
  The correct answer is B .
• Question 1969: Three capacitors of capacitance 2μF, 4μFand 8μF are connected in parallel and a P.D of 6V is maintained across each capacitor, the total energy stored is Options:
  A) 2.52 x 10^-6J
  B) 6.90 x 10^-6J
  C) 2.52 x 10^-4J
  D) 6.90 x 10^-4J
  Show Answer
  The correct answer is C .
• Question 1970: The blade of a hoe feel colder to touch in the morning than the wooden handle because the Options:
  A) handle is a better conductor of heat than blade
  B) handle contains stored energy in form of heat
  C) blade is a better conductor of heat than the handle
  D) blade is placed at a lower temperature than the heat
  Show Answer
  The correct answer is C .