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 581:

  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 582: The tendon in a man's leg is 0.01m long. If a force of 5N stretches the tendon by 2.0 x 10^-5m, calculate the strain on the muscle. Options:
  A) 5 x 10⁶
  B) 5 x 10²
  C) 2 x 10^-3
  D) 2 x 10^-7
  Show Answer
  The correct answer is C .
• Question 583: An engineer intends to deviate a light ray from its path by 120^o through reflection from a plane mirror. Calculate the angle of incidence Options:
  A) 60^o
  B) 40^o
  C) 30^o
  D) 20^o
  Show Answer
  The correct answer is C .
• Question 584: A body moves along a circular path with uniform angular speed of 0.6 rad s^-1 and at a constant speed of 3.0ms^-1. Calculate the acceleration of the body towards the centre of the circle. Options:
  A) 25.0ms^-2
  B) 5.4 ms^-2
  C) 5.0ms^-2
  D) 1.8 ms^-2
  E) 0.2ms^-2
  Show Answer
  The correct answer is D .
• Question 585:

  

  For the wave motion represented above, the wavelength is given by

  Options:
  A) p
  B) q
  C) r
  D) s
  E) t
  Show Answer
  The correct answer is D .
• Question 586: Every house supplied with electricity is provided with a box of fuses so that Options:
  A) the consumption of electricity can be recorded
  B) people residing in the house will not have an electric shock if they touch a live wire
  C) the total current drawn from the mains can be limited
  D) the voltage supply can be stabilized
  E) it serves as a standby supply when there is a power failure
  Show Answer
  The correct answer is C .
• Question 587:

  If electron are accelerated from rest through a potential difference of 10kv, what is the wavelength of the associated electron

  [m = 9.1 x 10^-31kg, e = 1.6 x 10^-19C, h = 6.6 x 10^-34js]

  Options:
  A) 1.22 x 10^-11m
  B) 3.87 x 10^-10m
  C) 2.27 x 10¹¹m
  D) 2.27 x 10¹⁴m
  Show Answer
  The correct answer is A .
• Question 588: Which of these expresses the relationship between the earth’s magnetic field FE, and the field’ FB due to a magnet at neutral points? FE is Options:
  A) equal and opposite to F^B
  B) equal to and in the same direction with F^B
  C) greater than and in the same direction with F_B
  D) greater than and opposite to F_B
  E) less than and opposite to F_B
  Show Answer
  The correct answer is A .
• Question 589: A short chain is sometimes attached to the back of a petrol tanker to? Options:
  A) generate more friction
  B) ensure the balancing of the tanker
  C) caution the driver when overspeeding
  D) conduct excess charges to the car
  Show Answer
  The correct answer is D .
• Question 590: Which of the following is a percussion instrument? Options:
  A) Flute
  B) Organ
  C) Bell
  D) Piano
  E) Sonometer
  Show Answer
  The correct answer is C .