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 781: Shadows and eclipses result from the Options:
  A) refraction of light
  B) rectilinear propagation of light
  C) defraction of light
  D) reflection of light
  Show Answer
  The correct answer is B .
• Question 782: A car moves with an initial velocity of 25 ms^-1 and reaches a velocity of 45 ms^-1 in 10s. what is the acceleration of the car? Options:
  A) 2 ms^-2
  B) 5 ms^-2
  C) 20 ms^-2
  D) 25 ms^-2
  Show Answer
  The correct answer is A .
• Question 783:

  

  What is the resistance of the circuit shown above

  Options:
  A) 4Ω
  B) 11Ω
  C) 19/5Ω
  D) 17/4Ω
  E) 8Ω
  Show Answer
  The correct answer is E .
• Question 784:

  A man walks 1km due east and then 1 km due north. His displacement is

  Options:
  A) √2km N 45°E
  B) 1km N 30°E
  C) 1km N 15°E
  D) √2km N 60°E
  Show Answer
  The correct answer is A .
• Question 785:

  A piano wire 50 cm long has a total mass of 10 g and its stretched with a tension of 800 N. Find the frequency of the wire when it sounds its third overtone note.

  Options:
  A) 800 Hz
  B) 600 Hz
  C) 400 Hz
  D) 200 Hz
  Show Answer
  The correct answer is A .
• Question 786:

  

  The figure above shows 4 forces 3N, 10N, 3√3N and 6N acting on a particle P. The resultant of he four forces is

  Options:
  A) 5N
  B) 5√ 3N
  C) 10N
  D) 10√ 3N
  Show Answer
  The correct answer is C .
• Question 787:

  A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

  Options:
  A) 312.0 ms${}^{-1}$
  B) 110.0 ms${}^{-1}$
  C) 343.2 ms${}^{-1}$
  D) 686.4 ms${}^{-1}$
  Show Answer
  The correct answer is C .
• Question 788:

  

  The graph in the fig above describes the motion of a particle. the acceleration of the particle during the motion is

  Options:
  A) 0.00ms^-2
  B) 0.25ms^-2
  C) 4.00ms^-2
  D) 8.00ms^-2
  E) 10.00ms^-2
  Show Answer
  The correct answer is C .
• Question 789:

  The Earth's magnetic equator passes through Jos in Nigeria. At Jos, the

  Options:
  A) angle of variation is zero
  B) magnetic declination is 90
  C) angle of dip is zero
  D) horizontal component at the Earth's field is zero
  Show Answer
  The correct answer is C .
• Question 790: Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii. length of the pendulum. iii. acceleration due to gravity. Options:
  A) i, ii, and iii
  B) ii and iii only
  C) i and iii only
  D) i and ii only
  Show Answer
  The correct answer is B .