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 211: Which of the following are true about the infra-red radiation? i. it is invisible ii. it is called heat ray iii. its frequency is higher than that of blue light iv. it travels as a transverse wave Options:
  A) i, ii, iii and iv
  B) i, ii, iv only
  C) i, iii, iv only
  D) ii, iii, iv only
  Show Answer
  The correct answer is B .
• Question 212: Which one of the following is a vector quantity? Options:
  A) Temperature gradient
  B) Mass
  C) Work
  D) Time
  Show Answer
  The correct answer is A .
• Question 213:

  

  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 214:

  In a series R-L-C circuit at resonance, the voltages across the resistor and the inductor are 30V and 40V respectively. What is the voltage across the capacitor?

  Options:
  A) 30V
  B) 70V
  C) 50V
  D) 40V
  Show Answer
  The correct answer is D .
• Question 215: When the brakes in a car are applied, the frictional force force on the tyres is Options:
  A) is a disadvantage because it is in the direction of the motion of the car
  B) is a disadvantage because it is in the opposite direction of the motion of the car
  C) is an advantage because it is in the direction of the motion of the car
  D) is an advantage because it is in the opposite direction of the motion of the car
  Show Answer
  The correct answer is D .
• Question 216: A solid of weight 0.600N is totally immersed in oil and water respectively. If the upthrust of oil is 0.210N and the relative density of oil is 0.875. Find the upthrust in water. Options:
  A) 0.600N
  B) 0.360N
  C) 0.240N
  D) 0.180N
  Show Answer
  The correct answer is C .
• Question 217:

  A coil X is moved quickly away from the end Y of a stationary metal bar and a current then flows in X as shown above.

  Then

  Options:
  A) the bar is not a magnet
  B) Y is a north pole
  C) Y is a South pole
  D) Y repels coil X
  Show Answer
  The correct answer is B .
• Question 218: Two cars moving in the same direction have speeds of 100 kmh^-1 and 130 kmh^-1 what is the velocity of the faster car as measured by an observer in the slower car? Options:
  A) 30 kmh^-1
  B) 130 kmh^-1
  C) 200 kmh
  D) 230 kmh^-1
  Show Answer
  The correct answer is A .
• Question 219:

  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 .
• Question 220: When a nucleus is formed by bringing protons and neutrons together, the actual mass of the formed nucleus is less than the sum of the masses of the energy equivalent of this mass difference is the Options:
  A) lost energy
  B) work function
  C) binding energy
  D) stability energy
  Show Answer
  The correct answer is C .