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 711:

  A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when?

  Options:
  A) the magnet is moved towards the stationary solenoid
  B) there is no relative motion
  C) the magnet is moved away from the stationary solenoid
  D) the solenoid is moved away from the stationary magnet
  Show Answer
  The correct answer is B .
• Question 712: A temperature 20^oC is the same as Options:
  A) 36^oF
  B) 60^oF
  C) 11.1^oF
  D) 43.1^oF
  E) 25^oF
  Show Answer
  The correct answer is B .
• Question 713: The plane mirrors in a kaleidoscope are usually placed Options:
  A) at an angle of 60^o
  B) parallel to one another
  C) perpendicular to one another
  D) at an angle of 45^o
  Show Answer
  The correct answer is A .
• Question 714:

  If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

  Options:
  A) 84400m
  B) 69000m
  C) 61440m
  D) 24000m
  Show Answer
  The correct answer is C .
• Question 715: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 716: A body moves along a circular path with uniform angular speed of 0.6 rad s^-1 and at a constant speed of 3.0ms^-1. Calculate the acceleration of the body towards the centre of the circle. Options:
  A) 25.0ms^-2
  B) 5.4 ms^-2
  C) 5.0ms^-2
  D) 1.8 ms^-2
  E) 0.2ms^-2
  Show Answer
  The correct answer is D .
• Question 717:

  It is known that a neutron exists in a light atomic nucleus

  Which of the following also exists in the nucleus?

  Options:
  A) An electron
  B) A β - particle
  C) β - particle
  D) proton
  Show Answer
  The correct answer is D .
• Question 718: It is NOT possible to determine exactly and simultaneously the position and momentum of a particle. This statement is known as the Options:
  A) Crompton effect
  B) de Broglie’s laws
  C) Frank-Hertz experimental law
  D) Heisenberg’s uncertainly principle
  E) wave-particle paradox
  Show Answer
  The correct answer is D .
• Question 719: Determine the focal length of a thin converging lens if the power is 5.0 dioptres Options:
  A) 0.1 m
  B) 0.2 m
  C) 2.0 m
  D) 2.5 m
  Show Answer
  The correct answer is B .
• Question 720: As a positively charge rod is brought nearer to the top cap of a positively charged gold leaf electroscope, the divergence of the leaves will Options:
  A) decrease to zero
  B) steadily increase
  C) decrease to zero and then increase
  D) remain constant
  E) increase to a maximum and then decrease
  Show Answer
  The correct answer is B .