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 1151: Which of the following statements about sound is NOT true? Options:
  A) sound is a longitudinal wave
  B) sound can be reflected and refracted like light
  C) sound travels through a vacuum
  D) sound moves faster in a steel wire than in air
  E) sound can ony be produced by vibrating objects
  Show Answer
  The correct answer is C .
• Question 1152:

  

  The diagram above shows the velocity-time graph of a vehicle. Its acceleration and retardation respectively are

  Options:
  A) 8.0 ms^-2, 4,0 ms^-2
  B) 4.0 ms^-2, 8.0 ms^-2
  C) 4.0 ms^-2, 2.0 ms^-2
  D) 2.0 ms^-2, 4.0 ms^-2
  Show Answer
  The correct answer is C .
• Question 1153: All the heat generated in a 5 ohms resistor by 2A flowing for 30 seconds is used to evaporate 5g of a liquid at its boiling point. Which of the following is the correct value of the specific latent heat of the liquid? Options:
  A) 120J
  B) 60Jg^-1
  C) 120Jg^-1
  D) 1500J
  E) 1500Jg^-1
  Show Answer
  The correct answer is C .
• Question 1154: What is the angle of dip at the magnetic equator Options:
  A) ${45}^{\circ }$
  B) $0^{\circ }$
  C) ${90}^{\circ }$
  D) ${180}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1155: The product PV where P is pressure and V is volume has the same unit as Options:
  A) force
  B) power
  C) energy
  D) accelaration
  Show Answer
  The correct answer is C .
• Question 1156: When two mirrors are placed at an angle of 900 to each other, how many images will be formed when an object is placed in front of the mirrors Options:
  A) 5
  B) 4
  C) 3
  D) 2
  Show Answer
  The correct answer is C .
• Question 1157: The optical instrument which is suitable for viewing a nearby objects is ………..? Options:
  A) Telescope
  B) sextant
  C) microscope
  D) periscope
  Show Answer
  The correct answer is C .
• Question 1158:

  

  In a resonance tube experiment, which is illustrated above, the velocity of sound in air is 327.68m/s, the frequency of the turning fork used is therefore

  Options:
  A) 128HZ
  B) 256HZ
  C) 512HZ
  D) 768HZ
  E) 1024HZ
  Show Answer
  The correct answer is C .
• Question 1159: A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him will be Options:
  A) Infinite
  B) Ten
  C) Eight
  D) Forty
  Show Answer
  The correct answer is A .
• Question 1160: Which of the following correctly explain(s) why a green leaf appears green in bright day light? i. it absorbs only the green component of sunlight. ii. it absorbs all colour of sunlight except green. iii. it reflects only the green component of sunlight. Options:
  A) i only
  B) ii only
  C) i and iii only
  D) ii and iii only
  Show Answer
  The correct answer is D .