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 251: Two metals A and B lose the same quantity of heat when their temperatures drop from 20°C to 15°C. If the specific heat Capacity of A Ii thrice that of B, calculate the ratio of the mass of A to that of B. Options:
  A) 3:01
  B) 4:03
  C) 3:04
  D) 1:02
  E) 1:03
  Show Answer
  The correct answer is A.
• Question 252: An atom radiates 1.5 × 10^-19J when an electron jumps from one level to another. What is the wavelength of the emitted radiation? (Planck’s constant 6.6 × l0^-34Js ; Speed of light in vacuum = 3.0 × 108ms^-1) Options:
  A) 1.32 × 10^-6m
  B) 2.97 × 10^-6m
  C) 3.30 × 10^-6m
  D) 6.82 × 10^-6m
  E) 8.01 × 10m^-6
  Show Answer
  The correct answer is A.
• Question 253: The following are derived units EXCEPT Options:
  A) kg m^-3
  B) N
  C) Ns
  D) m³
  E) kg
  Show Answer
  The correct answer is E.
• Question 254: A 12V battery supplies a current of 0.4A to a lamp. Calculate the resistance of the lamp. Options:
  A) 30.00
  B) 4.80
  C) 3.00
  D) 0.30
  E) 0.03
  Show Answer
  The correct answer is A.
• Question 255: Which of the following is a desirable property of a fuse Wire? Options:
  A) High expansively
  B) High thermal conductivity
  C) Low density
  D) Low electrical resistivity
  E) Low melting point
  Show Answer
  The correct answer is D.
• Question 256: The angle between the geographic and the magnetic meridians at a place on the earth’s surface is the Options:
  A) angle of declination
  B) angle of depression
  C) angle of dip.
  D) latitude of the place
  E) longitude of the place
  Show Answer
  The correct answer is A.
• Question 257: An object is placed in front of a concave mirror whose radius of curvature is 12cm. If the magnification of the Image produced is 1.5, how far is the object from the mirror? Options:
  A) 8cm
  B) 10cm
  C) 15cm
  D) 18cm
  E) 20cm
  Show Answer
  The correct answer is B.
• Question 258:

  Which of the statements is/are true of two bodies involved in an inelastic collision? After collision. I. the kinetic energy increases

  II. The momentum decreases

  III. Their velocities are the same.

  Options:
  A) I only
  B) II Only
  C) III only
  D) I and II only
  E) II and III only
  Show Answer
  The correct answer is C.
• Question 259: 491 K is equivalent to Options:
  A) 273 °C
  B) 218 °C
  C) 373 °C
  D) 491 °C
  E) 764 °C
  Show Answer
  The correct answer is B.
• Question 260: Which of the following is a percussion instrument? Options:
  A) bell
  B) flute
  C) guitar
  D) piano
  E) organ
  Show Answer
  The correct answer is A.