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 1181: Which of the following is not a mechanical wave? Options:
  A) wave in closed pipe
  B) radio waves
  C) water waves
  D) sound waves
  Show Answer
  The correct answer is B .
• Question 1182: 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 1183:

  

  The value of F in the figure above when in equilibrium is

  Options:
  A) 10N
  B) 12N
  C) 20N
  D) 27N
  Show Answer
  The correct answer is C .
• Question 1184:

  During the nuclear reaction described by

  235	W →	235	X→	231	Y
  92		93		91

  The particles emitted are respectively

  Options:
  A) α and α
  B) α and β
  C) β and β
  D) β and α
  Show Answer
  The correct answer is D .
• Question 1185: A cell of internal resistance 0.01Ω can be measured accurately using the Options:
  A) Ohm meter
  B) metre bridge
  C) potentiometer
  D) electroscope
  Show Answer
  The correct answer is C .
• Question 1186: A vector quantity can only be completely described when ……… and …………are mentioned. Options:
  A) Magnitude and motion
  B) Magnitude and direction
  C) Distance and specified displacement
  D) Moment and momentum
  Show Answer
  The correct answer is B .
• Question 1187: What is the best method of demagnetizing a steel bar magnet? Options:
  A) Hammering
  B) Heating it
  C) Rough handling it
  D) Solenoid method
  Show Answer
  The correct answer is D .
• Question 1188: A series RLC circuit is said to resonate, when Options:
  A) capacitive reactance is zero
  B) conductance is maximum
  C) current is minimum
  D) impedance is minimum
  E) inductive reactance is zero
  Show Answer
  The correct answer is D .
• Question 1189:

  The linear expansivity of brass is 2 x 10${}^{-5}$ C${}^{-1}$. If the volume of a piece of brass is 15.00cm at 0°C, what is the volume at 100°C

  Options:
  A) 16.03cm${}^3$
  B) 15.09cm${}^3$
  C) 16.00cm${}^3$
  D) 15.03cm${}^3$
  Show Answer
  The correct answer is B .
• Question 1190:

  A vibrator causes water ripples to travel across the surface of a tank. The wave travels 50cm in 2s and the distance between successive crests is 5cm. Calculate the frequency of the vibrator

  Options:
  A) 5Hz
  B) 6Hz
  C) 5.2Hz
  D) 25Hz
  Show Answer
  The correct answer is A .