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 1431:

  Which of these isa second-class lever?

  Options:
  A) sugar tongs
  B) claw hammer
  C) plier
  D) wheelbarrow
  Show Answer
  The correct answer is D .
• Question 1432:

  The limiting frictional force between two surface depends on

  I. the normal reaction between the surfaces

  II. the area of surface in contact

  III. the relative velocity between the surfaces

  IV. the nature of the surface

  Options:
  A) I only
  B) I and IV only
  C) II only
  D) III only
  Show Answer
  The correct answer is B .
• Question 1433:

  An alternating current can induce voltage because it has

  Options:
  A) ripple value
  B) varying magnetic field
  C) weaker magnetic field than direct current
  D) high peak value
  Show Answer
  The correct answer is B .
• Question 1434:

  An explosion occurs at an altitude of 312 m above the ground. If the air temperature is -10.00°C, how long does it take the sound to reach the ground?

  [velocity of sound at $0^{o}C$ = 331 ms-1]

  Options:
  A) 0.94s
  B) 0.96s
  C) 0.93s
  D) 0.95s
  Show Answer
  The correct answer is B .
• Question 1435: If ∆x is the uncertainty in the measurement of the position of a particle along the x-axis and ∆P_a is the uncertainty in the measurement of the linear momentum along the x-axis, then the uncertainty principle relation is given as Options:
  A) ∆x ∆P_x ≥ h
  B) ∆x ∆P_x = 0
  C) ∆x ∆P_x< h
  D) ∆x ∆P_x = ∞
  Show Answer
  The correct answer is A .
• Question 1436: What is the acceleration due to gravity 'g' on the moon, if g is 10^-2 on the earth? Options:
  A) 0. 10 ms^-2
  B) 0.74ms^-2
  C) 1.6ms^-2
  D) 10.00ms^-2
  Show Answer
  The correct answer is C .
• Question 1437: a tap supplies water at 26^oC while another supplies water at 82^oC. If a man wishes to bathe with water at 40^oC the ratio of hot mass of hot water to that of cold water required is Options:
  A) 1:3
  B) 3:1
  C) 3:7
  D) 7:3
  E) 15:8
  Show Answer
  The correct answer is A .
• Question 1438:

  In the formation of sea breeze, wind blows from?

  Options:
  A) sky to land
  B) sea to sky
  C) land to sea
  D) sea to land
  Show Answer
  The correct answer is D .
• Question 1439:

  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 1440: The primary aim in high tension transmission is to Options:
  A) minimize electrical energy losses due to heat production
  B) increase the rate of energy transfer by using high voltage
  C) increase the current in the wire
  D) generate electricity at high current and low voltage
  Show Answer
  The correct answer is A .