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 1091:

  The diagram shows four positions of the bob of a simple pendulum. At which of these positions does the bob have maximum kinetic energy and minimum potential energy

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 1092: The velocities of light in air and glass are 3.0 x 10⁸ms^-1 and 2.0 x 10⁸ms^-1 respectively. If the angle of refraction is 30°, the sine of the angle of incidence is Options:
  A) 0.33
  B) 0.50
  C) 0.67
  D) 0.75
  Show Answer
  The correct answer is D .
• Question 1093: When white light is dispersed by a spectrometer, the component having the shortest wavelength is Options:
  A) orange
  B) green
  C) violet
  D) red
  Show Answer
  The correct answer is C .
• Question 1094: Three 5 ohms resistors connected in parallel have a potential difference of 60v. applied across the combination. The current in each resistor is Options:
  A) 4A
  B) 36A
  C) 12A
  D) 24A
  E) 10A
  Show Answer
  The correct answer is C .
• Question 1095:

  A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?

  Options:
  A) 2400 J
  B) 9600 J
  C) 1500 J
  D) 1200 J
  Show Answer
  The correct answer is A .
• Question 1096: In the study of physics, temperature and heat are often confused with each other. Which of the following statements correctly defines these two element? Options:
  A) temperature is a measure of the average kinetic energy of the molecules of a substance
  B) heat is a measure of the total kinetic energy of the molecules in a system
  C) different materials require different amounts of heat to cause a given change in temperature
  D) all of the above
  E) A and B only
  Show Answer
  The correct answer is D .
• Question 1097:

  How much net work is required to accelerate a 1200 kg car from 10$m{s}^{-1}$ to 15$m{s}^{-1}$

  Options:
  A) 1.95×${10}^{5}j$
  B) 1.35×${10}^{4}j$
  C) 7.5×${10}^{4}j$
  D) 6.0×${10}^{4}j$
  Show Answer
  The correct answer is C .
• Question 1098: An equipment whose power is 1500W and resistance is 375 ohms would draw a current of Options:
  A) 0.10A
  B) 2.00A
  C) 4.00A
  D) 77.5A
  Show Answer
  The correct answer is B .
• Question 1099:

  

  In the Figure above, QR is a vertical conductor and the current I flows from R to Q, P is a point on the horizontal plane and is to the south of the wire. The direction of the magnetic field at P due to the current is

  Options:
  A) Upward
  B) North
  C) South
  D) West
  E) East
  Show Answer
  The correct answer is D .
• Question 1100: A car of mass 800kg attains a speed of 25m/s in 20 secs. The power developed in the engine is Options:
  A) 1 . 25 x 10⁴ W
  B) 2 . 50 x 10⁴ W
  C) 1 . 25 x 10⁶W
  D) 2 . 50 x 10⁶ W
  Show Answer
  The correct answer is B .