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 941:

  One newton × One meter equals?

  Options:
  A) One water
  B) One Joule
  C) One ampere
  D) One kilogram
  Show Answer
  The correct answer is B .
• Question 942: A transistor is used in the amplification of signals because it Options:
  A) controls the flow of current
  B) consumes a lot of power
  C) allows doping
  D) contains electron and hole carriers
  Show Answer
  The correct answer is A .
• Question 943: The function of a 5-A fuse included in a circuit supplying a household refrigerator with power is to keep the Options:
  A) Temperature of the refrigerator low and constant
  B) keep current supplied to the refrigerator below 5A
  C) Voltage supply constant
  D) Current supplies to the refrigeration
  Show Answer
  The correct answer is B .
• Question 944:

  Workdone on an object to bring it to a certain point in space is called

  Options:
  A) Gravitational potential energy
  B) Potential energy
  C) Kinetic energy
  D) Mechanical energy
  Show Answer
  The correct answer is A .
• Question 945: An object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is Options:
  A) 80cm
  B) 40cm
  C) 50cm
  D) 70cm
  Show Answer
  The correct answer is B .
• Question 946:

  A sonometer wire is vibrating at frequency f_o. If the tension in the wire is doubted while the length and the mass per unit length are kept constant, the new frequency of vibration is

  Options:
  A) ^f_o/₂
  B) 2f_o
  C) ^f_o/_√2
  D) f_o√2
  Show Answer
  The correct answer is D .
• Question 947: A boy ran a distance of 200m in 24s. His average speed was 8.3ms^-1. Which of the following is correct about the units in which the statements above are expressed? Options:
  A) All the units are fundamental.
  B) All the units are derived
  C) All the units except one are S.I units
  D) Two of the units are fundamental and one derived.
  E) None of the units is S.I units.
  Show Answer
  The correct answer is D .
• Question 948: Which of the following is NOT a vector quantity? Options:
  A) Force
  B) Altitude
  C) weight
  D) Displacement
  E) Acceleration
  Show Answer
  The correct answer is B .
• Question 949: If the wavelength of a wave travelling with a velocity of 360ms^-1 is 60cm, the period of the wave is Options:
  A) 6s
  B) 3.6s
  C) 0.17s
  D) 0.61s
  E) 3s
  Show Answer
  The correct answer is C .
• Question 950:

  Which of the following pairs ispart of the electromagnetic spectrum?

  I. Radio waves

  II. sound waves

  III. Gamma rays

  IV. water waves

  Options:
  A) I and II
  B) III and IV
  C) I and III
  D) II and IV
  Show Answer
  The correct answer is C .