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 1351:

  Which of the following is a type of incandescent light source?

  Options:
  A) Fluorescent lamp
  B) LED lamp
  C) Tungsten filament lamp
  D) Neon lamp
  Show Answer
  The correct answer is C .
• Question 1352: A uniform cylindrical block of wood floats in water with one-third of its height above the water level, in a liquid of relative density 0.8, what fraction of its height will be above the liquid level? Options:
  A) $\frac{1}{6}$
  B) $\frac{1}{5}$
  C) $\frac{1}{3}$
  D) $\frac{4}{5}$
  E) $\frac{5}{6}$
  Show Answer
  The correct answer is E .
• Question 1353: The production of pure spectrum could easily be achieved using a? Options:
  A) glass prism with a pin
  B) triangular prism with two convex lens
  C) traingular prism only
  D) triangular prism with two concave lenses
  Show Answer
  The correct answer is B .
• Question 1354: A body of mass 100g moving with a velocity of 10.0ms^-1 collides with a wall. If after collision, it moves with a velocity of 2.0ms^-1 in the opposite direction, calculate the change in momentum. Options:
  A) 0.8Ns
  B) 1.2Ns
  C) 12.0Ns
  D) 80.0Ns
  Show Answer
  The correct answer is B .
• Question 1355: Which of the following statement is TRUE of ultraviolet, visible and infra-red rays? Options:
  A) they are all electromagnetic waves with the same wavelength
  B) ultra-violet rays have shorter wavelengths than infra-red rays and produce flourescence
  C) infrared rays have shorter wavelength than visible light and produce the sensation of heat
  D) the wavelenghts increase in the sequence: visible, ultra-violet, infra-red
  Show Answer
  The correct answer is B .
• Question 1356: In a resonance tube experiment, a tube fixed length is closed at one end and several tuning forks of increasing frequency used to obtain resonance at the open end. If the tuning fork with the lowest frequency which gave resonance had a frequency f₁ and the next tuning fork to give resonance had a frequency f₂, find the ratio $\frac{f^2}{f^2}$. Options:
  A) 8
  B) 3
  C) 2
  D) $\frac{1}{2}$
  E) $\frac{1}{3}$
  Show Answer
  The correct answer is B .
• Question 1357: the ray which causes gas molecules to glow is known as Options:
  A) cathode ray
  B) anode ray
  C) molecular ray
  D) gamma ray
  Show Answer
  The correct answer is A .
• Question 1358: Which of the following statements is Not true about atoms? Options:
  A) Atom of different elements have different atomic weights
  B) The mass of an atom is concentrated in the nucleus
  C) An atom is made up of a nucleus and number of electrons
  D) Atoms of all elements are identical
  Show Answer
  The correct answer is D .
• Question 1359: A simple cell with mercury-amalgamated zinc electrode prevents Options:
  A) local actions
  B) polarization
  C) buckling
  D) degradation
  Show Answer
  The correct answer is A .
• Question 1360: The accurate measurement of the relative density of substances in powder or granular form can be done using a beam balance and a Options:
  A) pipette
  B) burette
  C) measuring cylinder
  D) density
  E) bottle
  Show Answer
  The correct answer is E .