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 271:

  Heat I. is a form of energy

  II. is measured with a thermometer

  III. cannot be created or destroyed

  IV. from a hot object is transferred through conduction only. Which of the statements above are correct?

  Options:
  A) I and II only
  B) I and III only
  C) I, II and III only
  D) II, III and IV only
  E) I, II, III and IV
  Show Answer
  The correct answer is B.
• Question 272: A car travels with a constant velocity of 45 kmh^-1 for 20s. What distance does it cover in this time? Options:
  A) 0.025m
  B) 0.250m
  C) 2.500m
  D) 25.000m
  E) 250.000m
  Show Answer
  The correct answer is E.
• Question 273: When the same amount of current, I is passed through different wires under the same conditions, the rates of production of heat are Options:
  A) directly proportional to I
  B) directly proportional to the resistances of the wires
  C) directly proportional to the square of the resistances of the wires
  D) inversely proportional to I
  E) inversely proportional to the resistance of the wires
  Show Answer
  The correct answer is B.
• Question 274: A surface in the path of an advancing wave on which all the particles are in the same state of disturbance is called a Options:
  A) crest
  B) cycle
  C) pulse
  D) trough
  E) wave front
  Show Answer
  The correct answer is E.
• Question 275: Calculate the wavelength of light travelling with a speed of 3 × 108ms^-1 and a frequency of 6.2 × 10¹⁴Hz. Options:
  A) 4.8 × 10^-8m
  B) 4.8 × 10^-7m
  C) 4.8 × 10^-6m
  D) 4.8 × 10^-5m
  E) 4.8 × 10^-4m
  Show Answer
  The correct answer is B.
• Question 276: What is the uncertainty in the measurement of time, if the uncertainty in measuring the energy of an electron of mass 10^-30 kg is 2.45 × 10^-19J? h = 6.6 × 10^-34 Options:
  A) 1.35 ×10^-15s
  B) 2.69 × 10^-15s
  C) 4.15 × 10^-15s
  D) 9.05 × 10^-15s
  E) 1.62 × 10^-14s
  Show Answer
  The correct answer is B.
• Question 277: A body has masses of 0.013kg and 0.012 kg in oil and water respectively. If the relative density of oil is 0.875 calculate the mass of the body. Options:
  A) 0.02 kg
  B) 0.03kg
  C) 0.04kg
  D) 0.05kg
  E) 0.06kg
  Show Answer
  The correct answer is A.
• Question 278: A stone is dropped from the top of a tower of height 11 .25m. Calculate the time it will take to reach the ground. [g = 10ms-2] Options:
  A) 1.00s
  B) 1.50s
  C) 2.25s
  D) 2.50s
  E) 3.00s
  Show Answer
  The correct answer is B.
• Question 279: Which to the following is NOT a fundamental unit? Options:
  A) Ampere
  B) Kelvin
  C) Kilogramme
  D) Newton
  E) Second
  Show Answer
  The correct answer is D.
• Question 280: A projectile fired with initial velocity, u will attain its maximum height H when the angle of projection θ is Options:
  A) 30°
  B) 45°
  C) 60°
  D) 75°
  E) 90°
  Show Answer
  The correct answer is E.