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 731:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 732: The wavelength of signals from a radio transmitter is 1500mm and the frequency is 200kHz. What is the wavelength for a transmitter operating at 100kHz? Options:
  A) 7500m
  B) 300m
  C) 75m
  D) 15m
  Show Answer
  The correct answer is B .
• Question 733:

  An ammeter of resistance 1.0$\mathrm{\Omega }$ has a full-scale deflection of 50mA. Determine the resultant full-scale deflection of the meter when a shunt of 0.0111$\mathrm{\Omega }$ is connected across its terminals.

  Options:
  A) 400mA
  B) 450mA
  C) 500mA
  D) 550mA
  Show Answer
  The correct answer is C .
• Question 734: in a pure semiconductor, the number of electrons in the conduction band is Options:
  A) less than the number of holes in the valence band
  B) equal to the number of holes in the valence band
  C) greater than the number of holes in the valence band
  D) twice the number of holes in the valence band
  Show Answer
  The correct answer is B .
• Question 735: Quantities of heat Q can be measured using a container called Options:
  A) Thermometer
  B) Measuring cylinder
  C) Calorimeter
  D) Meter rule
  Show Answer
  The correct answer is C .
• Question 736: 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 737: Which type of motion do the wheels of a moving car undergo? Options:
  A) Vibratory and translational motion
  B) Random and translational motion
  C) Rotational mand oscillatory motion
  D) Translational and rotational motion
  Show Answer
  The correct answer is D .
• Question 738:

  A source of sound produces waves in air of wavelength1.65m. If the speed of soundin air is 330ms${}^{-1}$, the period of vibration in air is?

  Options:
  A) 200
  B) 0.005
  C) 0.5
  D) 0.02
  Show Answer
  The correct answer is B .
• Question 739:

  A charge of $4.6\times {10}^{-5}$C is placed in an electric field of intensity $3.2\times {10}^4$$V{m}^{-1}$. What is the force acting on the electron?

  Options:
  A) 1.5 N
  B) 3.7 N
  C) 4.2 N
  D) 2.5 N
  Show Answer
  The correct answer is A .
• Question 740: The following are the scores of ten students in a test of 20 marks: 15, 16, 17, 13, 16, 8, 5, 16, 19, 17. What is the modal? Options:
  A) 13
  B) 15
  C) 16
  D) 19
  Show Answer
  The correct answer is C .