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 2131:

  If a source of solid is moving, a stationary listener will hear a sound of different frequency. This is called?

  Options:
  A) doppler effect
  B) resonance
  C) ultra sound
  D) rarefaction
  Show Answer
  The correct answer is A .
• Question 2132:

  Any line or section taken through an advancing wave in which all the particles are in the same phase is called the

  Options:
  A) wavelength
  B) wave coast
  C) wave trough
  D) wave front
  Show Answer
  The correct answer is D .
• Question 2133:

  Mercury is a better barometric fluid than water because
  i. it needs no colouring
  ii. its density is many times greater than that of water
  iii. it does not wet glass
  iv. it has a high vapour pressure
  v. it has a high boiling point.
  Which of the above statements are true?

  Options:
  A) i and ii only
  B) i, ii and iii only
  C) iii and iv only
  D) iv and v only
  E) iii, iv and v only
  Show Answer
  The correct answer is B .
• Question 2134:

  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 2135:

  A 40 kW electric cable is used to transmit electricity through a resistor of resistance 2.0Ω at 800 V. The power loss as internal energy is?

  Options:
  A) 4.0 x 10²W
  B) 5.0 x 10²W
  C) 4.0 x 10³W
  D) 5.0 x 10³W
  Show Answer
  The correct answer is D .
• Question 2136: When a current of 1 .0A flows in an electrolyte for 3.0h, a mass of 1 .0g is deposited. What mass will be deposited in 10.0h if a current of 3.0A flows through the electrolyte? Options:
  A) 30.0g
  B) 24.0g
  C) 10.0g
  D) 6.0g
  E) 0.4g
  Show Answer
  The correct answer is B .
• Question 2137: 491 K is equivalent to Options:
  A) 273 °C
  B) 218 °C
  C) 373 °C
  D) 491 °C
  E) 764 °C
  Show Answer
  The correct answer is B .
• Question 2138:
  

  The diagram above illustrates the penetrating power of some types of radiation. X, Y and Z are likely

  Options:
  A) X = α-particle; Y = γ-ray; Z = β-particle
  B) X = α-particle; Y = β-particle; Z = γ-ray
  C) X = γ-ray; Y = α-particle; Z = β-particle
  D) X = β-particle; Y = γ-ray; Z = α-particle
  Show Answer
  The correct answer is C .
• Question 2139: Which of the following surfaces will absorbs radiant heat energy heat? Options:
  A) white
  B) red
  C) black
  D) blue
  Show Answer
  The correct answer is C .
• Question 2140: A pipe of length 45cm is closed at the end. Calculate the fundamental frequency of the sound wave generated in the pipe if the velocity of sound in air is 360ms^-1 [Neglect end correction] Options:
  A) 5.5Hz
  B) 148.5Hz
  C) 200.0Hz
  D) 550.0Hz
  Show Answer
  The correct answer is C .