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 1761: A wave of frequency 10Hz forms a stationary wave pattern in a medium where the velocity is 20cms^-1. The distance between adjacent nodes is Options:
  A) 1.0cm
  B) 1.5cm
  C) 2.0cm
  D) 5.0cm
  Show Answer
  The correct answer is C .
• Question 1762:

  The inner diameter of a test tube can be measured accurately using a?

  Options:
  A) micrometer screw gauge
  B) pair of dividers
  C) meter rule
  D) pair of vernier calipers
  Show Answer
  The correct answer is D .
• Question 1763: Two rays of light from a point below the surface of water are equally inclined to each other at 60^o in water. What is the angle between the rays when they emerge into air? (Take the refractive index of water to be $\frac{4}{3}$) Options:
  A) 41.8^o
  B) 44.1^o
  C) 60.0^o
  D) 83.6^o
  E) 120.0^o
  Show Answer
  The correct answer is D .
• Question 1764:

  Which of the following is NOT a limitation of experimental measurements?

  Options:
  A) Systematic error
  B) Instrument resolution
  C) Random errors
  D) Human error
  Show Answer
  The correct answer is B .
• Question 1765: If the volume of a fixed mass of a gas is kept constant, the pressure of the gas Options:
  A) is inversely proprotional to its centigrade temperature
  B) is inversely proportional to its absolute temperature
  C) is directly proportional to its centigrade temperature
  D) is directly proportional to its absolute temperature
  E) remains constant also
  Show Answer
  The correct answer is D .
• Question 1766: A high-resistance voltmeter reads 3.0V when connected across the terminals of a battery on open circuit and 2.6V when the battery supplies a current of 0.2A through a lamp. The resistance of lamp is Options:
  A) 2.00$\mathrm{\Omega }$
  B) 13.00$\mathrm{\Omega }$
  C) 0.52$\mathrm{\Omega }$
  D) 0.13$\mathrm{\Omega }$
  E) 1.50$\mathrm{\Omega }$
  Show Answer
  The correct answer is B .
• Question 1767:

  Arrange the following in the order of their increasing frequency.I. Visible light

  II. Gamma rays

  III. Radio waves

  IV. Infra-red radiation

  V. Ultra-violet radiation

  Options:
  A) I, II, III, IV, V
  B) II, III, IV, V, I
  C) III, IV, V, I, II
  D) IV, III, I. V, II
  E) III, IV, I,V, II
  Show Answer
  The correct answer is E .
• Question 1768: What is the speed of a body vibrating at 50 cyclic per second Options:
  A) 100 πrads${}^{-1}$
  B) 200 πrads${}^{-1}$
  C) 50 πrads${}^{-1}$
  D) 400 πrads${}^{-1}$
  Show Answer
  The correct answer is A .
• Question 1769: Which of the following is required to convert a milliammeter to an ammeter? Options:
  A) A high resistance in parallel
  B) A high resistance in series
  C) A low resistance in parallel
  D) A low resistance in series
  Show Answer
  The correct answer is C .
• Question 1770: A piece of stone weights 180 N in air and 150 N in a beaker containing 160 N of methylated spirit. What is the up thrust exerted on the stone? Options:
  A) 50N
  B) 40N
  C) 30N
  D) 20N
  E) 10N
  Show Answer
  The correct answer is C .