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 121:

  In a resonance tube experiment, a tube of fixedlength in closed at one end and several turningforks of increasing frequency used to obtainresonance at the open end. If the turning fork withthe lowest frequency which gave resonance had a frequency ƒ₁ and the next turning fork to giveresonance had a frequency ƒ₂, find the ratio ƒ₂/ ƒ₁.

  Options:
  A) 2
  B) 3
  C) 1/2
  D) 8
  Show Answer
  The correct answer is D .
• Question 122: In an experiment to determine terminal velocity, as the pressure increases, the viscosity off a liquid Options:
  A) increases
  B) decreases
  C) increases then decreases
  D) remains constant
  Show Answer
  The correct answer is D .
• Question 123:

  Which of the following is/are the limitations to the Rutherford's atomic models?

  I. It is applicable when energy is radiated as electrons are revolving

  II. It is applicable when energy is radiated in a continuous mode

  III. It is applicable to an atom with only one electron in the other shell

  Options:
  A) I only
  B) II only
  C) I and II only
  D) I, II and III only
  Show Answer
  The correct answer is C .
• Question 124: Which of the following statements are true in the structure of atoms? Options:
  A) the atoms of the differnt element differ only in the number of protons and electrons
  B) the num,ber of protons equals the number of electrons
  C) atoms are constructed according to the plan of our solar system
  D) all of the above
  E) A and C only
  Show Answer
  The correct answer is B .
• Question 125: Which of the following pairs of musical instruments produce sound due to the vibration of air column? Options:
  A) Bell and piano
  B) Guitar and flute
  C) Trumpet and drum
  D) Trumpet and flute
  E) Violin and organ
  Show Answer
  The correct answer is D .
• Question 126:

  The statement 'Heat lost by the hot body equals that gained by the cold one' is assumed when determining specific that heat capacity by the method of mixtures. Which of the following validates the assumption?

  I. Lagging the Calorimeter

  II. Ensuring that only S.I units are used

  III. Weighing the calorimeter, the lid and the stirrer.

  Options:
  A) I only
  B) I and II only
  C) I and III only
  D) II and III only
  Show Answer
  The correct answer is C .
• Question 127:

  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 128: A body of weight 20N displaces 12N of the liquid in which it is immersed. What is the upthrust of the liquid on the body? Options:
  A) 240N
  B) 32N
  C) 20N
  D) 12N
  E) 8N
  Show Answer
  The correct answer is D .
• Question 129:

  I. The motion of the tyres of a moving car.

  II. The motion of a loaded test tube oscillated

  vertically.

  III. The beating of the heart.

  IV. A stone tied to a string and whirled round.

  V. The motion of the pistons in a gasoline engine.

  Which of the motions above is simple harmonic?

  Options:
  A) III, IV and V only
  B) II, III and V only
  C) II, III and IV only
  D) I,II and III only
  Show Answer
  The correct answer is B .
• Question 130: The area under a force-distance graph represents Options:
  A) acceleration
  B) velocity
  C) power
  D) work
  E) momentum
  Show Answer
  The correct answer is D .