NECO Physics Exam Past Questions and Answers

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 241: Which of the following is a non-renewable energy source? Options:
  A) Coal
  B) Hydro
  C) Ocean waves
  D) Solar
  E) Tides
  Show Answer
  The correct answer is A.
• Question 242: Which of the following is NOT a component of an a.c. generator? Options:
  A) Armature
  B) Carbon brushes
  C) Magnet
  D) Slip ring
  E) Split rings
  Show Answer
  The correct answer is E.
• Question 243: When a yellow card is viewed in blue light, It will appear Options:
  A) black
  B) orange
  C) purple
  D) red
  E) white
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  The correct answer is D.
• Question 244: Mercury does NOT wet glass because Options:
  A) glass is an amorphous substance
  B) the adhesive force is greater than the cohesive force
  C) the cohesive force is greater than the adhesive force.
  D) mercury has very high thermal conductivity
  E) mercury is opaque.
  Show Answer
  The correct answer is C.
• Question 245: The length of a simple pendulum is increased by a factor of four. By what factor is its period Increased? Options:
  A) 0.25
  B) 0.5
  C) 1.66
  D) 2
  E) 4
  Show Answer
  The correct answer is D.
• Question 246: Which of the following pairs is an example of translucent bodies? Options:
  A) Cardboard and moon
  B) Clear water and glass
  C) Frosted glass and waxed paper
  D) Oiled paper and brick
  E) Wood and metal sheet
  Show Answer
  The correct answer is C.
• Question 247:

  A projectile is projected with an initial velocity u, at an angle θ to the horizontal. The maximum height attained is.

  Options:
  A) U² sin $\frac{\theta }{g}$
  B) 2U² sin² $\frac{\theta }{g}$
  C) U sin² $\frac{\theta }{g}$
  D) U² sin²$\frac{\theta }{g}$
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  The correct answer is D.
• Question 248: A stone of mass 0.7 kg is projected vertically upward with a speed of 5 ms-1. Calculate the maximum height reached. [g =10ms^-2] Options:
  A) 1.25m
  B) 1.50m
  C) 2.50m
  D) 3.75m
  E) 5.00Nm
  Show Answer
  The correct answer is A.
• Question 249: Calculate the magnitude of the force due to a magnetic field of 0.40T on an electron moving perpendicular to the field with a speed of 4.00 × 106ms^-1 (e 1.60 × 10^-19C] Options:
  A) 6.40 × ^-10
  B) 6.40× 10^-13N
  C) 2.56 × 10^-13N
  D) 1.60 × 10^-12N
  E) 2.30 × 10^-11N
  Show Answer
  The correct answer is C.
• Question 250: A voltage of 240V is connected to the primary coil of a the rating of the primary turns to the secondary turns if the voltage available at the secondary coil is 15V Options:
  A) 0.06
  B) 0.9
  C) 1.6
  D) 16
  E) 36
  Show Answer
  The correct answer is D.