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 41: A 0.05kg bullet travelling at 500ms^-1 horizontally strikes a thick vertical wall. It stops after penetrating through the wall horizontal distance of 0.25m. What is the magnitude of the average force the wall exerts on the bullet? Options:
  A) 25N
  B) 50N
  C) 250N
  D) 500N
  E) 25 000N
  Show Answer
  The correct answer is E .
• Question 42:

  

  In the above circuit diagrams A is the ammeter and V is the Voltmeter. Which of the circuits is correct for finding the correct value of the resistance R

  Options:
  A) I
  B) II
  C) III
  D) IV
  Show Answer
  The correct answer is A .
• Question 43: 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 44:

  I. Wavelength

  II. Medium of propagation

  III. Wave velocity

  IV. Frequency

  V. Energy

  Which of the above are used for characterizing waves?

  Options:
  A) I, II and V
  B) I and IV
  C) I, III and IV
  D) III, IV and V
  Show Answer
  The correct answer is C .
• Question 45: A milliameter with full scale deflection of 10mA has an internal resistance of 5 ohms. It would be converted to an ammeter with a full scale deflection of 1A by connecting a resistance of Options:
  A) $\frac{5}{99}$ohms in series with it
  B) $\frac{5}{99}$ohms in parallel with it
  C) $\frac{99}{5}$ohms in series with it
  D) $\frac{99}{5}$ohms in parallel with it
  E) 2 ohms in series with it
  Show Answer
  The correct answer is B .
• Question 46: A simple pendulum with a period of 2.0s has its length doubled. Its new period is Options:
  A) 1.00s
  B) 1.41s
  C) 0.3s
  D) 2.83s
  E) 4.00s
  Show Answer
  The correct answer is D .
• Question 47: Which of the following is a percussion Instrument? Options:
  A) Flute
  B) Guitar
  C) Piano
  D) Trumpet
  E) Xylophone
  Show Answer
  The correct answer is E .
• Question 48: A rectangular tank contains water to a depth of 2m, if the base is 4m x 3m, calculate the force on the base (Density of water = 10³kgm^-3, g = 10ms^-2) Options:
  A) 1.4 x 10²N
  B) 24 x 10⁴N
  C) 2.0 x 10⁴N
  D) 1.7 x 10³N
  Show Answer
  The correct answer is B .
• Question 49: The electric field intensity in a place where a charge of 10^-10c experiences a force of 0.4N is? Options:
  A) 4.0 x 10⁷ NC^-1
  B) 8.0 x 10⁹ NC^-1
  C) 8.O x 10^-12 NC^-1
  D) 4.0 x 10⁹ NC^-1
  Show Answer
  The correct answer is D .
• Question 50: A radio station broadcasts at a frequency of 400KHz. If the speed of the wave is 3.0 ×10-8 ms-1, calculate the wavelength of the radio wave. Options:
  A) 1.3 × 10²m
  B) 3.0 × 10²m
  C) 2.4 × 10²m
  D) 5.0 × 10²m
  E) 7.5 × 10²m
  Show Answer
  The correct answer is E .