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 41: Transverse waves can be distinguished from longitudinal waves using the characteristic of Options:
  A) diffraction
  B) refraction
  C) polarization
  D) reflection
  Show Answer
  The correct answer is C .
• Question 42:

  If an object just begins to slide on a surface inclined at 30ºto the horizontal,the coefficient of friction is?

  Options:
  A) √3
  B) $\frac{\surd 3}{2}$
  C) $\frac{1}{\surd 2}$
  D) $\frac{1}{\surd 3}$
  Show Answer
  The correct answer is D .
• Question 43:

  The near point of a patient's eye is 50.0 cm. What power (in diopters) must a corrective lens have to enable the eye to see clearly an object 25.0 cm away?

  Options:
  A) 2 diopters
  B) 2.5 diopters
  C) 0.5 diopters
  D) 3 diopters
  Show Answer
  The correct answer is A .
• Question 44:

  

  Fig 8 shows a current I flowing in a copper wire situated in a magnetic field existing between the pole-pieces of a horse-shoe magnet.

  Which of the following statements is correct?

  Options:
  A) The wire will experience a force in the direction into the paper
  B) The wire will experience a force in the direction out of the paper
  C) The wire will vibrate in a direction into and out of the paper
  D) the wire will move in the direction of the field i.e toward the s-pole
  E) the wire will not move because it is made of copper which is non magnetic
  Show Answer
  The correct answer is B .
• Question 45: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 46: What is the acceleration due to gravity 'g' on the moon, if g is 10^-2 on the earth? Options:
  A) 0. 10 ms^-2
  B) 0.74ms^-2
  C) 1.6ms^-2
  D) 10.00ms^-2
  Show Answer
  The correct answer is C .
• Question 47: A stroboscope can be used to make the ware appear ………….. Options:
  A) Stationary
  B) In motion
  C) Dipper
  D) Ripple
  Show Answer
  The correct answer is A .
• Question 48: A moving coil galvanometer has a full-scale deflection of 3A equivalent to 30^o deflection. The sensitivity of the instrument is Options:
  A) 33.0
  B) 0.1
  C) 90.0
  D) 10.0
  Show Answer
  The correct answer is D .
• Question 49: A machine gun with a mass of 5kg fires a 50g bullet at speed of 100ms^-1. The recoil speed of the machine gun is Options:
  A) 0.5 msec^-1
  B) 1.5 msec^-1
  C) 1 msec^-1
  D) 2 msec^-1
  E) 4 msec^-1
  Show Answer
  The correct answer is C .
• Question 50: A thin wire with heavy weights attached to both ends is hung over a block of ice resting on two supports. If the wire cuts through the ice block while the block remains solid behind the wire, the process is called Options:
  A) condensation
  B) sublimation
  C) regelation
  D) fusion
  Show Answer
  The correct answer is C .