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 301: 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 302: Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule? Options:
  A) 35mm
  B) 35.0mm
  C) 35.00mm
  D) 35.01mm
  Show Answer
  The correct answer is A .
• Question 303:

  

  The equivalent capacitance for the circuit drawn above is

  Options:
  A) 18µf
  B) 4µf
  C) 2µf
  D) 12µf
  E) 13µf
  Show Answer
  The correct answer is B .
• Question 304: The combination of sound waves with different frequencies is known as Options:
  A) interference
  B) diffraction
  C) superposition
  D) forced vibration
  E) resonance
  Show Answer
  The correct answer is C .
• Question 305: Two divers G and H are at depths 20m and 40m respectively below the water surface in a lake. The pressure on G is P₁ while the pressure on H is P₂. If the atmospheric pressure is equivalent to 10m of water, then the value of $\frac{p_2}{p_1}$ is Options:
  A) 0.50
  B) 0.60
  C) 1.67
  D) 2.00
  E) 3.0
  Show Answer
  The correct answer is D .
• Question 306: The quantity of heat needed to raise the temperature of a body by 1K is the body's Options:
  A) Heat capacity
  B) Internal energy
  C) Specific heat capacity
  D) Latent heat of fusion
  Show Answer
  The correct answer is A .
• Question 307: Three cells each of e.m.f. 1.5v and an internal resistance of 1.0$\mathrm{\Omega }$ are connected in parallel across a load resistance of 2.67$\mathrm{\Omega }$. Calculate the current in the load? Options:
  A) 0.26A
  B) 0.41A
  C) 0.50A
  D) 0.79A
  Show Answer
  The correct answer is C .
• Question 308:

  The impulse of a force is deduced from Newton's second law as

  Options:
  A) F = ma
  B) F = m($\frac{v-u}{t}$)
  C) F = mg
  D) F = mv - mu
  Show Answer
  The correct answer is B .
• Question 309: An object is projected for the hieght of 80 m above the ground with a velocity of 40ms^-1 at the angle of 30° to the horizontal. The time of flight Options:
  A) 8 s
  B) 4 s
  C) 16 s
  D) 10 s
  Show Answer
  The correct answer is B .
• Question 310: Which of the following statements is correct? Silvered walls of a vacuum flask are used to prevent Options:
  A) heat loss due to conduction
  B) vacuum loss
  C) heat entry into the inner flask due to convection
  D) heat loss due to radiation
  E) heat loss due to convection
  Show Answer
  The correct answer is D .