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 971: Which of the following i. $\beta$-particles ii. protons iii. neutrons iv. $\alpha$-particles. may be found in light nuclei? Options:
  A) i and ii
  B) i and iii
  C) ii and iv
  D) ii and iii
  E) i, ii and iii
  Show Answer
  The correct answer is D .
• Question 972: 200g of water at 90^oC is mixed with 100g of water at 30^oC. What is the final temperature? Options:
  A) 50^oC
  B) 60^oC
  C) 70^oC
  D) 80^oC
  Show Answer
  The correct answer is C .
• Question 973: Which of the following radiations cannot be deflected by a magnetic field? Options:
  A) $\alpha$
  B) $\beta$
  C) $\gamma$
  D) $\beta$ and $\gamma$
  E) none of them
  Show Answer
  The correct answer is C .
• Question 974:

  According to kinetic molecular model, in gases

  Options:
  A) The particles are closely packed together, they occupy minimum space and are usually arranged in a regular pattern
  B) The particles occur in clusters with molecules slightly farther apart
  C) The molecule are very fast apart and occupy all the space made available
  D) The particle vibrate about fixed positions and are held together by the strong intermolecular bonds between them
  Show Answer
  The correct answer is C .
• Question 975: A regular spacing or arrangement of atoms in a crystalline material is called Options:
  A) Orbit
  B) Lattice
  C) Atomic structure
  D) Energy level
  Show Answer
  The correct answer is B .
• Question 976: When equal weights of iron and water are subjected to equal supply of heat, it is found that the piece of iron become more hotter than water after a short time because Options:
  A) the specific heat of iron is higher than that of water
  B) iron is in solid form
  C) water is in liquid form
  D) the specific heat of water is higher than that of iron
  E) the specific heat of iron is infinite
  Show Answer
  The correct answer is D .
• Question 977: The instantaneous value of the induced e.m.f as a function of time is ε = ε_o sin ωt where ε_o is the peak value of the e.m.f. The instantaneous value of the e.m.f., one quarter of the period is Options:
  A) 0.00
  B) ^ε_o/₄
  C) ^ε_o/₂
  D) ε_o
  Show Answer
  The correct answer is D .
• Question 978: A note is the octave of another note if it has Options:
  A) a frequency twice that of the first note
  B) frequency half that of the first note
  C) the same fundamental frequency as the first one
  D) a frequency frequency eight times that of the first note
  Show Answer
  The correct answer is A .
• Question 979: Two metals P and Q of length l₁ and l₂ are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of lengths is 3:4. What is the ratio of increase in length of P to Q? Options:
  A) 7:5
  B) 5:7
  C) 1:2
  D) 2:1
  Show Answer
  The correct answer is C .
• Question 980: The optical instrument which is suitable for viewing a nearby objects is ………..? Options:
  A) Telescope
  B) sextant
  C) microscope
  D) periscope
  Show Answer
  The correct answer is C .