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 1571:

  If an object whose mass is 3kg moves in a circular path of a radius of 0.7m, and records a speed at 2m/s, what is the result of the angular velocity?

  Options:
  A) 4 rads^–1
  B) 1 rads^–1
  C) 3 rads^–1
  D) 2 rads^–1
  Show Answer
  The correct answer is C .
• Question 1572:

  

  In the diagram above a beam of white light travels from a rare to a dense medium. What colours of light do the rays a, b and c respectively represents?

  Options:
  A) red, green and blue
  B) Green, red and blue
  C) Yellow , blue and red
  D) Blue , yellow and red
  Show Answer
  The correct answer is A .
• Question 1573: 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 1574: What is the approximate critical angle for total internal reflection for diamond if the refractive index of diamond is 2.42? Options:
  A) 21^o
  B) 22^o
  C) 23^o
  D) 24^o
  Show Answer
  The correct answer is D .
• Question 1575:

  

  The diagram above shows a balanced metre bridge, the value of x is

  Options:
  A) 75.0 cm
  B) 66.7 cm
  C) 33.3 cm
  D) 25.0 cm
  Show Answer
  The correct answer is C .
• Question 1576: Two insulated charged spheres of different sizes and carrying opposite charges are connected together by a metallic conductor. Current will flow from one sphere to the other until both sphere Options:
  A) carry the same magnitude and sign of charge
  B) are at the same potential
  C) are at the same temperature
  D) are of the same size
  Show Answer
  The correct answer is B .
• Question 1577:

  

  Find the tension T1 in the diagram above if the system is in equilibrium. [G = 10ms^-2]

  Options:
  A) 200/√3N
  B) 100/√3N
  C) 300/√3N
  D) 100N
  Show Answer
  The correct answer is B .
• Question 1578: In which of the following is the expansion of solids a disadvantage? Options:
  A) Electric iron
  B) Fire alarm
  C) The balance wheel of a watch
  D) The bimetallic thermometer
  E) The fitting of wheels in rims
  Show Answer
  The correct answer is C .
• Question 1579: The most suitable type of mirror used for the construction of the search light is the Options:
  A) concave mirror
  B) convex mirror
  C) spherical mirror
  D) parabolic mirror
  Show Answer
  The correct answer is D .
• Question 1580: The sound of an electricity bell dies down slowly when air is slowly pumped out from a bottle because Options:
  A) the wavelength of sound becomes greater in the bottle
  B) sound cannot pass through the bottle
  C) sound needs a material medium
  D) sound can pass through a vacuum
  Show Answer
  The correct answer is C .