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 1331: An inclined plane of angle $\theta$, acting as a simple machine, has a velocity ratio Options:
  A) sin$\theta$
  B) $\frac{1}{\text{sin}\theta }$
  C) cos$\theta$
  D) $\frac{1}{\text{cos}\theta }$
  E) sin$\theta cos\theta$
  Show Answer
  The correct answer is B .
• Question 1332:

  A carstarts from rest and covers a distance of 40 m in 10 s. Calculatethe magnitude of its acceleration

  Options:
  A) 3.20 ms${}^{-2}$
  B) 0.25 ms${}^{-2}$
  C) 0.80 ms${}^{-2}$
  D) 4.00 ms${}^{-2}$
  Show Answer
  The correct answer is C .
• Question 1333:

  In an AC circuit, resonance occurs when the impedance of the circuit is:

  Options:
  A) Zero
  B) Maximum
  C) Equal to the capacitive reactance of the circuit
  D) Minimum
  Show Answer
  The correct answer is D .
• Question 1334: When a sound wave passes from air into water its Options:
  A) speed and frequency increases but its wavelength remains the same
  B) speed and wavelength increases but its frequency remains the same
  C) speed decreases
  D) speed remains the same but its frequency and wavelength change
  E) speed increases but its frequency and wavelength decreases
  Show Answer
  The correct answer is C .
• Question 1335: One end of a long wire is fixed while a vibrator is attached to the other end. When the vibrator is energized, the types of waves generated in the wire are Options:
  A) stationary and longitudinal
  B) stationary and transverse
  C) progressive and transverse
  D) progressive and longitudinal
  Show Answer
  The correct answer is C .
• Question 1336: Which of the following statements is correct about light and sound waves? Both Options:
  A) are longitudinal waves
  B) are transverse waves
  C) have the same velocity in air
  D) need a medium for propagation
  E) transmit energy
  Show Answer
  The correct answer is E .
• Question 1337: The strength of an electromagnet increase with Options:
  A) Increase in the number of turn of the coil
  B) Decrease in current with the coil
  C) Increase in the distance between the pole
  D) Increase in current without the coil
  Show Answer
  The correct answer is A .
• Question 1338: Calculate the work done in charging a capacitor of capacitance 20µF through a potential difference of 1000V. Options:
  A) 0.02 J
  B) 0.10 J
  C) 0.20 J
  D) 1.00 J
  E) 10.00 J
  Show Answer
  The correct answer is E .
• Question 1339: 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 1340:

  The clinical thermometer differs from other mercury-in-glass thermometers because it has I. a constriction

  II. a wide range

  III. a short range

  IV. a narrow bore. Which of the above are correct?

  Options:
  A) I and II only
  B) I and III only
  C) III and IV only
  D) I,II and III only
  E) I, III and IV only
  Show Answer
  The correct answer is B .