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 1991: A gas occupies a volume of 300cm³at a temperature of 27^oC. What is its volume at 54^oC, when the pressure is constant? Options:
  A) 150cm³
  B) 273cm³
  C) 327cm³
  D) 600cm³
  Show Answer
  The correct answer is C .
• Question 1992: Which of the following radiations cannot be deflected by a magnetic field? Options:
  A) $\alpha$
  B) $\beta$
  C) $\gamma$
  D) $\beta$ and $\gamma$
  E) none of them
  Show Answer
  The correct answer is C .
• Question 1993: What happens to the rays in a parallel beam of light? Options:
  A) They diverge as they travel
  B) they intersect
  C) They converge as they travel
  D) They meet at infinity.
  Show Answer
  The correct answer is D .
• Question 1994:

  The following are parts of the eye

  I. Retina

  II. Pupil

  III. Iris

  The correct equivalent in the camera in the same order are

  Options:
  A) Diaphragm, Aperture, film
  B) Aperture, Diaphragm, Film
  C) Film, Diaphragm, Aperture
  D) Film, Aperture, Diaphragm
  Show Answer
  The correct answer is D .
• Question 1995:

  The vapour pressure?

  Options:
  A) increases non-linearly with measuring temperature
  B) increases linearly with increasing temperature
  C) decreases linearly with increasing temperature
  D) decreases non-linearly ith measuring temperature
  Show Answer
  The correct answer is A .
• Question 1996: In Faradays law of electrolysis, a graph of the mass deposited against the quantity of electricity is plotted. The slope of the graph gives Options:
  A) the energy released
  B) the electrochemical equivalent
  C) the current flowing
  D) the charge released
  Show Answer
  The correct answer is B .
• Question 1997:

  A solid weighs10.00N in air,6N when forcefully immersed in water, and 7.0N when fully immersed in a liquid, X. Calculate the relative density of the liquid X.

  Options:
  A) $\frac{5}{3}$
  B) $\frac{4}{3}$
  C) $\frac{3}{4}$
  D) $\frac{7}{10}$
  Show Answer
  The correct answer is C .
• Question 1998: According to Ohm's law, the ratio V/I is constant for Options:
  A) an electrolyte
  B) a diode
  C) a transistor
  D) silver
  E) all of the above
  Show Answer
  The correct answer is D .
• Question 1999: What is the speed of a particle of mass 10^-27kg whose wavelength is 10^-8m.[h = 6.63 x 10^-34Js] Options:
  A) 6.63ms^-1
  B) 66.30ms^-1
  C) 663.00ms^-1
  D) 6630.00ms^-1
  Show Answer
  The correct answer is B .
• Question 2000: A hydrometer is an instrument for measuring the Options:
  A) depth of water in a vessel
  B) relative density of a liquid by the method of flotation
  C) relative dendity of a liquid by finding the apparent loss in weight
  D) relative humidity of the air
  E) atmospheric pressure when the air is humid
  Show Answer
  The correct answer is B .