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 2761: The sign of the change on a charged glass rod may be determined with Options:
  A) a charged electroscope
  B) an uncharged electroscope
  C) a galvanometer
  D) an electrometer
  Show Answer
  The correct answer is A .
• Question 2762: The property of the eye known as its power of accommodation is controlled by the Options:
  A) pupil
  B) virteous humour
  C) iris
  D) ciliary muscles
  Show Answer
  The correct answer is D .
• Question 2763: Radio waves belong to the class of wave whose velocity is about Options:
  A) 34m/s
  B) 3 ×10⁶m/s
  C) 3 ×10⁸m/s
  D) 3 × 10^-8m/s
  Show Answer
  The correct answer is C .
• Question 2764: When the bottom tip of a vibrating tuning fork is held in contact with a wooden box, a louder sound is heard. This phenomenon is known as Options:
  A) beats
  B) echoing
  C) resonance
  D) reverberation
  Show Answer
  The correct answer is C .
• Question 2765: An object of mass 400g and density 600kgm^-3 is suspended with a sting so that half of it is immersed in paraffin of density 900kgm^-3. The tension in the string is Options:
  A) 1.0N
  B) 3.0N
  C) 4.0N
  D) 5.0N
  Show Answer
  The correct answer is B .
• Question 2766:

  What is the amount of heat required to raise the temperature of a 0.02 kg of ice cube from $-{10}^{o}C$ to ${10}^{o}C$ ?

  [specific latent heat of fusion of ice = 3.34 x ${10}^5$ $Jk{g}^{-}1$, Specific heat capacity of water = 4200 $Jk{g}^{-}1$$k^{-}1$

  Specific heat capacity of ice = 2100 $Jk{g}^{-}1$$k^{-}1$

  Options:
  A) 6680 J
  B) 1680 J
  C) 7520 J
  D) 7940 J
  Show Answer
  The correct answer is D .
• Question 2767: 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 2768: A vehicle of mass m is driven by an engine of power P from rest. Find the minimum time it will take to acquire a speed Options:
  A) $\frac{m{v}^2}{t}$
  B) $\frac{m{v}^2}{2t}$
  C) $\frac{mv}{t}$
  D) $\frac{mv}{2t}$
  Show Answer
  The correct answer is A .
• Question 2769:

  

  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 2770: 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 .