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 1021:

  

  The electric field between two - point charges is shown in the diagram above. What types of charges are at X and Y?

  Options:
  A) Both X and Y are negative
  B) Both X and Y are positive
  C) X is positive and Y is negative
  D) X is negative and Y is positive
  Show Answer
  The correct answer is B .
• Question 1022: 40m³ of liquid is mixed with 60m³ of another liquid Q. If the density of P and Q are 1.00kgm^-3 and 1.6kgm^-3 respectively, what is the density of the mixture? Options:
  A) 0.05kgm^-3
  B) 1.25kgm^-3
  C) 1.30kgm^-3
  D) 1.36kgm^-3
  Show Answer
  The correct answer is D .
• Question 1023: A person can focus an object only when it lies within 200cm from him. Which spectacles should be used to increase his maximum distance of distinct vision infinity Options:
  A) Convex lens
  B) Binoculars
  C) Concave lens
  D) Plane glasses
  Show Answer
  The correct answer is C .
• Question 1024:

  A convex mirror is used as a driving mirror because
  i. its image is erect.
  ii. it has a large field of view.
  iii. it has a long focal length.

  Identify the CORRECT statement(s)

  Options:
  A) i andiii only
  B) i and ii only
  C) ii and iii only
  D) i, ii, and iii only
  E) i only
  Show Answer
  The correct answer is B .
• Question 1025:

  I.Chemical
  II.Sound
  III.Electricity

  Which of the above forms of energy can directly be converted to light energy?

  Options:
  A) I and II only
  B) II and III only
  C) I, II and III
  D) I and III only
  Show Answer
  The correct answer is D .
• Question 1026: An a.c circuit of e.m.f 12V has a resistor of resistance 8Ω connected in series to an inductor of inductive reactance 16Ω and a capacitor capacitive reactance 10Ω. The current flow in the circuit is Options:
  A) 1.4A
  B) 1.2A
  C) 12.0A
  D) 14.0A
  Show Answer
  The correct answer is B .
• Question 1027:

  The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a?

  Options:
  A) concave mirror of focal length 5cm
  B) concave mirror of focal length 10cm
  C) convex mirror of focal length 5cm
  D) convex mirror of focal length 10cm
  Show Answer
  The correct answer is C .
• Question 1028: 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 1029: How long will it take a 60kg man to climb a height of 22m if he expended energy at a rate of 0.25kW. [g = ms^-2] Options:
  A) 5.3s
  B) 34.5s
  C) 41.6s
  D) 52.8s
  Show Answer
  The correct answer is D .
• Question 1030:

  If the frequency of an emitted x-ray is 1.6 x 10${}^{16}$Hz, the accelerating potential is?

  [e = 1.6 x 10${}^{-19}$J, h = 6.63 x 10-${}^{34}$Js]

  Options:
  A) 6630.0V
  B) 663.0V
  C) 66.3V
  D) 6.6V
  Show Answer
  The correct answer is C .