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 581: The graphite rods surrounding the uranium fuel rods in a nuclear reactor, are used to Options:
  A) absorb the neutrons and hence halt the nuclear process
  B) create the neutrons and hence slow up the nuclear process
  C) slowdown the neutrons and hence slow up the nuclear process
  D) speed up the neutrons and hence speed up the nuclear process
  Show Answer
  The correct answer is C .
• Question 582: 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 20cm
  Show Answer
  The correct answer is A .
• Question 583:

  

  In a light experiment with a convex lens a student plotted a graph as shown above of the reciprocal of object distance (1)/u against the reciprocal of image distance (1)/v . the focal length of the lens is given as

  Options:
  A) slope of line PQ
  B) Reciprocal of either OP or OQ
  C) Length OP or OQ
  D) area under the graph E ratio OP/OQ
  Show Answer
  The correct answer is B .
• Question 584:
  

  The effect of closing the key K in the circuit shown in the figure above would be to?

  Options:
  A) increase the current by 0.4A
  B) reduce the current by 0.4A
  C) increase the current by 0.6A
  D) reduce the current by 0.6A
  Show Answer
  The correct answer is A .
• Question 585: A well-lagged bar of length 100cm has its ends maintained at 100^oC and 40^oC respectively. What is the temperature at a point 60cm from the hotter end? Options:
  A) 58^oC
  B) 62^oC
  C) 64^oC
  D) 76^oC
  Show Answer
  The correct answer is D .
• Question 586: Capacitors are used in the induction coil to Options:
  A) control circuits
  B) prevent distortion of electric fields
  C) prevent electric sparks
  D) dissipate energy
  Show Answer
  The correct answer is C .
• Question 587:

  Which of the following statements about defects of vision is/are CORRECT?

  I. Fora long sighted person, close objects appear blurred

  II. For a short sighted person, distant objects appear blurred

  III. Short sight is corrected by using a pair of converging lenses

  Options:
  A) I only
  B) II only
  C) I and II only
  D) II and III only
  Show Answer
  The correct answer is C .
• Question 588:

  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 589:

  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 590:

  The gravitational pull on the moon is $\frac{1}{6}$ that of the earth. If a body weighs 6.0 N on the moon,what will be the weight on the earth?

  Options:
  A) 6.0 N
  B) 5.0 N
  C) 12.0 N
  D) 36.0 N
  Show Answer
  The correct answer is D .