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 181: A boy moving with a velocity of 3 ms^-1 is brought to rest by a constant force after travelling 15m. Calculate the retardation. Options:
  A) 0.15ms^-2
  B) 0.30ms^-2
  C) 0.60ms^-2
  D) 3.33ms^-2
  E) 6.66ms^-2
  Show Answer
  The correct answer is B .
• Question 182:

  The binding energy of (${}_2^4\text{He}$) is

  [atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U]

  Options:
  A) 4.033U
  B) 2.017U
  C) 0.033U
  D) 0.330U
  Show Answer
  The correct answer is C .
• Question 183: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 184:

  

  A body is acted upon by forces applied at points P and Q as shown above their resultant is equal to

  Options:
  A) 2√5N in adirection N 56◦ E
  B) 2√5N in adirection N 56◦ W
  C) 2√13N in adirection N 56◦ E
  D) 2√13N in adirection N 56◦ W
  E) √10N in adirection N 56◦ E
  Show Answer
  The correct answer is C .
• Question 185:

  Which of the following can be described as high tension transmission?

  Options:
  A) High resistance and low voltage
  B) Low current and high voltage
  C) High current and low voltage
  D) High current and low resistance
  Show Answer
  The correct answer is B .
• Question 186:

  The half life of a radioactive material is 12 days. Calculate the decay constant.

  Options:
  A) 0.8663 $da{y}^{-1}$
  B) 0.04331 $da{y}^{-1}$
  C) 0.17325 $da{y}^{-1}$
  D) 0.05775 $da{y}^{-1}$
  Show Answer
  The correct answer is D .
• Question 187: A short chain is sometimes attached to the back of a petrol tanker to? Options:
  A) generate more friction
  B) ensure the balancing of the tanker
  C) caution the driver when overspeeding
  D) conduct excess charges to the car
  Show Answer
  The correct answer is D .
• Question 188: Which of the following statements is true of the properties of a moving coil galvanometer? Options:
  A) THe coil has a small area
  B) There are strong hair springs to gives a large control panlel
  C) There is a strong permanent magnet to give high magnetic flux
  D) it has a small number of turns of coil
  Show Answer
  The correct answer is C .
• Question 189: A block of aluminum is heated electrically by a 25 W heater. if the temperature rises by 10°C in 5 minutes, the heat capacity of the aluminum is? Options:
  A) 850 JK^-1
  B) 750 JK^-1
  C) 650 JK^-1
  D) 500 JK^-1
  Show Answer
  The correct answer is B .
• Question 190:
  

  Three forces with magnitudes 16 N, 12 N and 21 N are shown in the diagram below. Determine the magnitude of their resultant force and angle with the x-axis

  Options:
  A) 7.63N,61°
  B) 8.71N,61°
  C) 7.63N,29°
  D) 8.71N,29°
  Show Answer
  The correct answer is B .