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 2201: A man exerts a pressure of 2.8 x 10³Nm^-2 on the ground and has 4 x 10^-2m² of his feet in contact with the ground. The weight of the man is Options:
  A) 102N
  B) 70N
  C) 140N
  D) 112N
  Show Answer
  The correct answer is D .
• Question 2202:

  Light of wavelength 589 nm in vacuum passes through a piece of fused quartz of index of refraction n = 1.458. What is the frequency of the light in fused quartz?

  [Speed of light c = $3.00\times {10}^{8}m{s}^{-1}$]

  Options:
  A) $5.09\times {10}^{15}$Hz
  B) $5.09\times {10}^{14}$ Hz
  C) $1.77\times {10}^{15}$ Hz
  D) $1.77\times {10}^{14}$ Hz
  Show Answer
  The correct answer is B .
• Question 2203:

  A body weighing 80N stands in an elevator that is about to move. The force exerted by floor on the body as the elevator moves upward with an acceleration of 5 ms^-2 is

  [g = 10ms^-2]

  Options:
  A) 40 N
  B) 80 N
  C) 120 N
  D) 160 N
  Show Answer
  The correct answer is C .
• Question 2204:

  

  The total capacitance of the circuit above is

  Options:
  A) 0.25mF
  B) 0.50mF
  C) 0.75mF
  D) 1.25mF
  E) 1.50mF
  Show Answer
  The correct answer is E .
• Question 2205:

  

  What is the resultant capacitance of the circuit?

  Options:
  A) 1.5µF
  B) 18.0µF
  C) 6.0µF
  D) 6.8µF
  E) 8.83µF
  Show Answer
  The correct answer is A .
• Question 2206: Two strings of the same length and under the same tension gives notes of frequencies in the ratio 4 : 1. The masses of the strings are in the corresponding ratio of Options:
  A) 2 : 1
  B) 1 : 2
  C) 1 : 4
  D) 1 : 16
  Show Answer
  The correct answer is B .
• Question 2207: Calculate the inductance of a coil of resistance 30$\mathrm{\Omega }$ connected to a 100V a.c source if the coil draws an r.m.s current of 2A Options:
  A) 0.60H
  B) 2.50H
  C) 1.25H
  D) 0.04H
  Show Answer
  The correct answer is D .
• Question 2208:

  The volume of a stone having an irregular shape can be determined using?

  Options:
  A) meter rule
  B) measuring cylinder
  C) vernier calliper
  D) micrometer screw gauge
  Show Answer
  The correct answer is B .
• Question 2209:

  

  In the network shown above, determine the potential difference across the 5µF capacitor

  Options:
  A) 3V
  B) 6V
  C) 12V
  D) 18V
  Show Answer
  The correct answer is D .
• Question 2210: The vacuum in a thermos flask helps to reduce heat transfer by? Options:
  A) convection and radiation
  B) convection and conduction
  C) conduction and radiation
  D) radiation only
  Show Answer
  The correct answer is B .