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 2371: The bond between silicon and germanium is Options:
  A) dative
  B) covalent bond
  C) trivalent
  D) ionic
  Show Answer
  The correct answer is B .
• Question 2372: When an object is placed between the principal focus and the optical center of a convex lens, it could be used as a? Options:
  A) Simple microscope
  B) refecting lens
  C) compound microscope
  D) projector
  Show Answer
  The correct answer is A .
• Question 2373: The image is a plane mirror is Options:
  A) inverted, real with a magnificant of $\frac{1}{2}$
  B) inverted, virtual with a magnification of 1
  C) inverted, real with a magnification of 2
  D) upright, virtual with a magnificent of 1
  E) upright, real with a magnification of 2
  Show Answer
  The correct answer is D .
• Question 2374:

  The sensitivity of a thermometer is

  Options:
  A) All of the above
  B) how quickly a temperature change can be detected
  C) the difference between the maximum and the minimum temperature
  D) the smallest temperature change that can be detected or measured
  Show Answer
  The correct answer is D .
• Question 2375:

  A boy sits in a train moving with uniform speed on a straight track. If from his outstretched palm he gently tosses his coin upwards, the coin will fall

  Options:
  A) in front of his palm
  B) behind his palm
  C) beside his palm
  D) into his palm
  Show Answer
  The correct answer is D .
• Question 2376:

  The pressure of two moles of an ideal gas at a temperature of 27^oC and volume 10^-2m³ is

  [R = 8.313 J mol^-1K^-1]

  Options:
  A) 4.99 x 10⁵ Nm^-2
  B) 9.80 x 10³ Nm^-2
  C) 4.98 x 10³ Nm^-2
  D) 9.80 x 10⁵ Nm^-2
  Show Answer
  The correct answer is A .
• Question 2377: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 2378: The r.m.s value of a supply voltage is quoted at 200v. What is the approximate peak value of the voltage? Options:
  A) 200volts
  B) 300volts
  C) 283volts
  D) 250volts
  Show Answer
  The correct answer is C .
• Question 2379: 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 2380:

  

  The figure above shows two waveforms X and Y. If the frequency of X is 30Hz what is the frequency of Y

  Options:
  A) 12Hz
  B) 19Hz
  C) 60Hz
  D) 75Hz
  Show Answer
  The correct answer is D .