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 171: A spectrum of sunlight is said to be impure when Options:
  A) it is made of only three colours
  B) it has no red colour in it
  C) the different colours in it overlap
  D) it does not contain white light
  Show Answer
  The correct answer is C .
• Question 172: I Electrical potential, II Torque, III Kinetic Energy, IV Momentum. Which of the quantities listed are vectors? Options:
  A) II and IV
  B) I and II
  C) I and III
  D) II and III
  Show Answer
  The correct answer is A .
• Question 173:

  Water is not a good thermometric liquid because it?

  Options:
  A) expands unevenly between 0 ºC and 4 ºC
  B) maintains fixed density
  C) has low freezing point
  D) wets glass
  Show Answer
  The correct answer is D .
• Question 174:

  Which of the statements about prism binoculars is/are correct? They I. are a pair of two telescopes mounted side by side

  II. reduce the optical path of the light ray from the objective to the eye piece

  III, present inverted and diminished image to the viewer

  IV. present erect and magnified image to the viewer.

  Options:
  A) I only
  B) II only
  C) I and II only
  D) I, II and IV only
  E) II, III and IV only
  Show Answer
  The correct answer is D .
• Question 175: the pressure of 3 moles of an ideal gas at a temperature of 27°C having a volume of 10^-3m³ is Options:
  A) 2.49 x 10⁵-2
  B) 7.47 x 10⁵-2
  C) 2.49 x 10⁶-2
  D) 7.47 x 10⁶-2
  Show Answer
  The correct answer is D .
• Question 176: Musical instruments playing the same note can be distinguished from one another owing to the differences in their Options:
  A) quality
  B) pitch
  C) intensity
  D) loudness
  Show Answer
  The correct answer is A .
• Question 177:

  

  In the diagram above, a rod 50 cm long of uniform cross-section is suspended horizontally on a fulcrum, F, by the action of two forces. What is the weight of the rod?

  Options:
  A) 40N
  B) 80N
  C) 120N
  D) 200N
  Show Answer
  The correct answer is B .
• Question 178: The main reason for making the cover of a vacuum flask airtight is to prevent heat loss by Options:
  A) convection
  B) conduction
  C) radiation
  D) evaporation
  Show Answer
  The correct answer is A .
• Question 179:

  The lower fixed part of a faulty thermometer reads 2°C while the upper fixed point is 100°C.

  What is the true temperature when the thermometer reads 51°C?

  Options:
  A) 52°C
  B) 50°C
  C) 49°C
  D) 46°C
  Show Answer
  The correct answer is B .
• Question 180: a force of 16N applied 4.0kg block that is at rest on a smooth, horizontal surface. What is the velocity of the block at t = 5 seconds? Options:
  A) 4ms^-1
  B) 10ms^-1
  C) 20ms^-1
  D) 50ms^-1
  E) 80ms^-1
  Show Answer
  The correct answer is C .