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 1651: Which of the following statements is applicable to a real image formed by a concave mirror? i. it can be observed on a screen ii. it is always inverted and in front of the mirror iii. it only seams to exist IV. it is formed by the actual converging of rays of light Options:
  A) i, ii and iii
  B) i, ii and iv only
  C) i and ii only
  D) i and ii only
  E) all four statements
  Show Answer
  The correct answer is B .
• Question 1652: If the uncertainty in the measurement of the position of a particle is 5.0 x 10^-10m, the uncertainty in the momentum of the particle is Options:
  A) 1.32 x 10^-44Ns
  B) 3.30 x 10^-44Ns
  C) 1.32 x 10^-24Ns
  D) 3.30 x 10^-24Ns
  Show Answer
  The correct answer is C .
• Question 1653: The external parts of an object can be measure accurately through the use of which scientific instrument? Options:
  A) Micrometer screw gauge
  B) Vernier Caliper
  C) Meter rule
  D) None of the instrument
  Show Answer
  The correct answer is A .
• Question 1654:

  A boy sits in a train moving with uniform speed on a straight track. If from his outstretched palm he gently tosses his coin upwards, the coin will fall

  Options:
  A) in front of his palm
  B) behind his palm
  C) beside his palm
  D) into his palm
  Show Answer
  The correct answer is D .
• Question 1655: The fundamental property of a propagating wave which depends only on the source and not the medium of propagation is the? Options:
  A) wavelength
  B) harmonies
  C) frequency
  D) velocity
  Show Answer
  The correct answer is B .
• Question 1656: A ball is moving at 18ms^-1 in a direction inclined at 60^o to the horizontal. The horizontal component to its velocity is Options:
  A) 9√3ms^-1 ·
  B) 6√3ms^-1 ·
  C) 8√3ms^-1 ·
  D) 9ms^-1 ·
  Show Answer
  The correct answer is D .
• Question 1657: a proton moving with a speed of 1.0 x 10⁶ms^-1 through a magnetic field of 1.0T experiences a magnetic force of magnitude 8.0 x 10^-14 N. The angle between the proton''s velocity and the field is Options:
  A) 60°
  B) 90°
  C) 30°
  D) 45°
  Show Answer
  The correct answer is C .
• Question 1658: 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 1659: When a box of mass 45kg, is given an initial speed of 5ms^-1 it slides along a horizontal floor a distance of 3m before coming to a rest. what is the coefficient of kinetic friction between the box and the floor? (G = 10ms^-2) Options:
  A) $\frac{5}{6}$
  B) $\frac{5}{12}$
  C) $\frac{1}{3}$
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1660: The sharpness of the boundary of the shadow of an object is determined by the Options:
  A) intensity of light striking the object
  B) rays of light passing through the object
  C) nature of the object
  D) opacity of the object
  Show Answer
  The correct answer is B .