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 1021: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 1022: The instrument used by designers to obtain different color pattern is called? Options:
  A) periscop
  B) sextant
  C) episcope
  D) kaleidoscope
  Show Answer
  The correct answer is D .
• Question 1023: The relative density of a liquid is the ratio of the Options:
  A) Mass of water to the mass of an equal volume of liquid
  B) Upthrust in the liquid to the upthrust in water
  C) Density of water to the density of the liquid
  D) Upthrust in water to the upthrust in the liquid
  Show Answer
  The correct answer is B .
• Question 1024: Calculate the work done in charging a capacitor of capacitance 20µF through a potential difference of 1000V. Options:
  A) 0.02 J
  B) 0.10 J
  C) 0.20 J
  D) 1.00 J
  E) 10.00 J
  Show Answer
  The correct answer is E .
• Question 1025: A wave has a frequency of 2Hz and a wavelength of 30cm. The velocity of the wave is Options:
  A) 60.0ms^-1
  B) 6.0ms^-1
  C) 1.5ms^-1
  D) 0.6ms^-1
  Show Answer
  The correct answer is D .
• Question 1026:

  I. Total internal reflection of light.

  II. Conservation of light energy.

  III. Relative motion of the earth, sun and moon.

  IV. Rectilinear propation of light.

  Which of the above is a phenomenon of total solar eclipse?

  Options:
  A) I and IV only
  B) II and IV only
  C) I and III only
  D) III and IV only
  Show Answer
  The correct answer is D .
• Question 1027: In a resonance tube experiment, the effective length of the air column for the first resonance is 20cm when set into vibration by a tuning fork of frequency 480Hz. Neglecting and effect, the velocity of sound in air is Options:
  A) 96ms^-1
  B) 255ms^-1
  C) 340ms^-1
  D) 384ms^-1
  Show Answer
  The correct answer is D .
• Question 1028: Consider a thick glass tumbler and a thin glass tumbler which are made of the same kind of glass. Some hot liquid is poured into them. Which of the following statements is correct? Options:
  A) the thick tumbler is less likely to crack because it is stronger
  B) the thick tumbler is less likely to crack because it insulates the heat beter, glass being a poor conductor of heat
  C) Both tumblers are equally likely to crack because they are made of the same kind of glass
  D) the thick tumbler is more likely to crack because uneven expansion persists for a longer time within the thicker glass
  E) the thick tumbler is more likely to crack because it is heavier
  Show Answer
  The correct answer is C .
• Question 1029: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1030: The speed of sound travelling in various media increases in the order: Options:
  A) air, iron bar, water
  B) air, water, iron bar
  C) iron, bar water, air
  D) water, air, iron bar
  E) water, iron bar, air
  Show Answer
  The correct answer is B .