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 2151: The distance between two successive crests of a wave is 15cm and the velocity 300ms^-1. Calculate the frequency. Options:
  A) 2.0x10²Hz
  B) 4.5x10³Hz
  C) 2.0x10³Hz
  D) 4.5x10²Hz
  Show Answer
  The correct answer is C .
• Question 2152: The following types of waves are transverse EXCEPT Options:
  A) light waves
  B) radio waves
  C) sound waves
  D) surface waves on water
  E) X-rays
  Show Answer
  The correct answer is C .
• Question 2153: If a charged ion goes through combined electric and magnetic fields, the resultant emergent velocity of the ion is Options:
  A) E/B
  B) EB
  C) B/E
  D) E - B
  Show Answer
  The correct answer is A .
• Question 2154: A particle starts from rest and moves with a constant acceleration of 0.5ms^-2. The distance covered by the particle in 10s is Options:
  A) 2.5m
  B) 5.0m
  C) 25.0m
  D) 50.0m
  Show Answer
  The correct answer is C .
• Question 2155:

  The pinhole camera works on

  Options:
  A) the principle of the reversibility of light
  B) the principle of the rectilinear propagation of light
  C) Huygen’s principle
  D) the principle of total internal reflection of light
  Show Answer
  The correct answer is B .
• Question 2156:

  

  PQRS is rectangular cell with PQ perpendicular to the magnetic field as shown above. If a current flows in the the direction PQRS in what direction will the coil move

  Options:
  A) Upwards
  B) Downwards
  C) TOwards The North Pole
  D) Towards The South Pole
  Show Answer
  The correct answer is A .
• Question 2157: The range of accommodation of a normal human eye is Options:
  A) 0m to 0.1m
  B) 0m to 0.25m
  C) 0.10m to 0.25m
  D) 0.10m to infinity
  E) 0.25m to infinity
  Show Answer
  The correct answer is E .
• Question 2158:

  Aluminium is sometimes used as the leaf of an electroscope because it

  Options:
  A) is a light material
  B) is a good conductor
  C) is a good insulator
  D) can be converted into thin sheets
  Show Answer
  The correct answer is D .
• Question 2159: THe velocity of sound in air at 16^oC is 340ms^-1. What will it be when the pressure is doubled and its temperature raised to 127^oC? Options:
  A) 400 ms^-1
  B) 4,000 ms^-1
  C) 8,000 ms^-1
  D) 160,000 ms^-1
  Show Answer
  The correct answer is A .
• Question 2160: The voltage of the domestic electric supply is represented by the equation V = 311 sin314.2t. Determine the frequency of the a.c. supply [$\pi$ = 3.142] Options:
  A) 50.0Hz
  B) 100.0Hz
  C) 311.0Hz
  D) 314.2Hz
  Show Answer
  The correct answer is A .