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 1301: An example of a scalar quantity is Options:
  A) velocity
  B) weight
  C) electric charge
  D) acceleration due to gravity
  E) momentum
  Show Answer
  The correct answer is C .
• Question 1302: If an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other, how many images of the object will be formed? Options:
  A) Infinite
  B) Eight
  C) Four
  D) Two
  Show Answer
  The correct answer is A .
• Question 1303: What volume of alcohol with a density of 8.4 x 10²kgm^-3 will have the same mass as 4.2m³of petrol whose density is 7.2 x 10²kgm^-3? Options:
  A) 14m³
  B) 3.6m³
  C) 4.9m³
  D) 5.0m³
  E) 5.8m³
  Show Answer
  The correct answer is B .
• Question 1304:

  

  The diagram above shows two capacitors P and Q of capacitance 2μF and 4μF respectively connected to a d.c source. The ratio of energy stored in P to Q is

  Options:
  A) 4:1
  B) 2:1
  C) 1:4
  D) 1:2
  Show Answer
  The correct answer is D .
• Question 1305: The normal temperature of human body is record at what ranges? Options:
  A) 27°C to 43°C
  B) 30°C to 40°
  C) 98.4°C only
  D) Between 35°C to 37°C
  Show Answer
  The correct answer is D .
• Question 1306: which of the following statements are TRUE of isotopes? i. isotopes of an element have the same chemical properties because they have the same number of electrons. ii. isotopes of elements are normally separated using physical properties. iii. isotopes of an element have the same number of protons in their nuclei. Options:
  A) i and ii only
  B) i and iii only
  C) ii and iii only
  D) i, ii, and iii
  Show Answer
  The correct answer is B .
• Question 1307: Which of the following gas laws is equivalent to the work done? Options:
  A) Boyle' law
  B) Charles law
  C) Pressure law
  D) van der Waal's law
  Show Answer
  The correct answer is A .
• Question 1308: In A.C circuit theory, the root means square (r.m.s) current, I_rms and the peak (maximum)current I_o are related by Options:
  A) I_o = $\frac{I_{r}ms}{\sqrt{2}}$
  B) I_rms = $\frac{I_o}{\sqrt{2}}$
  C) I_rms = $\frac{\frac{I}{I_o}}{\sqrt{2}}$
  D) I_rms = $\frac{I_{r}ms}{\sqrt{2}}$
  Show Answer
  The correct answer is B .
• Question 1309:

  The mercury column in the barometer at notational atmospheric pressure has a height of?

  Options:
  A) 0.76 cm at see level
  B) 760 cm at sea level
  C) 7.6 cm at sea level
  D) 76 cm at sea level
  Show Answer
  The correct answer is D .
• Question 1310: According to Ohm's law, the ratio V/I is constant for Options:
  A) an electrolyte
  B) a diode
  C) a transistor
  D) silver
  E) all of the above
  Show Answer
  The correct answer is D .