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 2091: A boat travels due east at a speed 40ms^-1s across a river flow due south at 30ms^-1s. What is the resultant speed of the boat? Options:
  A) 1.3ms^-1
  B) 10.0ms^-1
  C) 50.0ms^-1
  D) 70.0ms^-1
  Show Answer
  The correct answer is C .
• Question 2092: A heavy object is suspended from a string and lowered into water so that it is completely submerged. The object appears lighter because Options:
  A) the density of water is less than that of the object
  B) the pressure is low just below the water surface
  C) it experiences an upthrust
  D) the tension in the string neutralizes part of the weight
  Show Answer
  The correct answer is C .
• Question 2093:

  An astronomical telescope is said to be in normal adjustment when the?

  Options:
  A) eye is accommodated
  B) focal length of an object lens is longer than that of eye piece
  C) final image is at the near point of eye
  D) final image is at infinity
  Show Answer
  The correct answer is D .
• Question 2094:

  The limiting frictional force between two surface depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surface

  Options:
  A) I only
  B) I and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .
• Question 2095: At low humidity in an environment, the human skin is usually? Options:
  A) damp and rough
  B) damp and smooth
  C) dry and rough
  D) dry and smooth
  Show Answer
  The correct answer is C .
• Question 2096:

  

  A short bar magnet is placed in earth's magnetic field, as shown above, which of the points II and III are/is possible positions of a neutral point?

  Options:
  A) I only
  B) II only
  C) III only
  D) I and II
  E) I,II and III
  Show Answer
  The correct answer is C .
• Question 2097: The resultant of two forces is 50N. If the forces are perpendicular to each other and one of them makes an angle 0f 30^o with the resultant, find its magnitude. Options:
  A) 100.0N
  B) 57.7N
  C) 43.3N
  D) 25.0N
  Show Answer
  The correct answer is C .
• Question 2098:

  The eclipse of the moon occurs when?

  Options:
  A) the moon reflects the rays from the sun to the earth
  B) the moon comes exactly between the earth and the sun
  C) the earth comes exactly between the moon and the sun
  D) the sun comes exactly between the earth and the moon
  Show Answer
  The correct answer is C .
• Question 2099:

  An object moves in a circular path of radius 0.5m with a speed of 1ms${}^{-1}$. What is its angular velocity?

  Options:
  A) 8rads${}^{-1}$
  B) 4rads${}^{-1}$
  C) 1rads${}^{-1}$
  D) 2rads${}^{-1}$
  Show Answer
  The correct answer is D .
• Question 2100:

  

  A body of mass 6kg rests on an inclined plane. The normal reaction is R and the limiting frictional force is F as shown in the image above. if F = 30N, and g = 10ms² then the angle of inclination $\theta$ is

  Options:
  A) ${15}^{\circ }$
  B) ${30}^{\circ }$
  C) ${45}^{\circ }$
  D) ${60}^{\circ }$
  E) ${75}^{\circ }$
  Show Answer
  The correct answer is B .