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 1261:

  A projectile is projected with an initial velocity u, at an angle θ to the horizontal. The maximum height attained is.

  Options:
  A) U² sin $\frac{\theta }{g}$
  B) 2U² sin² $\frac{\theta }{g}$
  C) U sin² $\frac{\theta }{g}$
  D) U² sin²$\frac{\theta }{g}$
  Show Answer
  The correct answer is D .
• Question 1262: The difference between sound waves and light waves is that sound waves Options:
  A) are transverse while light waves are longitudinal
  B) require a medium to travel while light waves does not
  C) can be diffracted but light waves cannot
  D) cannot be reflected but light waves can
  Show Answer
  The correct answer is B .
• Question 1263: Calculate the heat energy lost when 10g of boiling water changes to ice at 0°C. [Specific latent heat of ice 336Jg^-1 . Specific heat capacity of water 4.2Jg^-1 K^-1] Options:
  A) 840J
  B) 3360J
  C) 3420J
  D) 4200J
  E) 7560J
  Show Answer
  The correct answer is E .
• Question 1264: A gas has a volume of 100cm³ at 27^oC. If it is heated to temperature T until a final volume of 120cm³ is attained, calculate T Options:
  A) 33^oC
  B) 60^oC
  C) 87^oC
  D) 114^oC
  Show Answer
  The correct answer is C .
• Question 1265: Which of the following types of motion is/are exhibited by a cylindrical drum rolling down an incline plane? Options:
  A) Random and rotational
  B) Rotational and oscillatory
  C) Rotational only
  D) Translations only
  E) Translational and rotational
  Show Answer
  The correct answer is E .
• Question 1266:

  

  A particle is injected perpendicularly into an electric field, it travels along a curved path as depicted in the image above,the particle is

  Options:
  A) gamma ray
  B) electron
  C) neutron
  D) proton
  Show Answer
  The correct answer is B .
• Question 1267:

  

  What is the reading of the vernier calipers shown above?

  Options:
  A) 1.79cm
  B) 1.73cm
  C) 1.39cm
  D) 1.34cm
  Show Answer
  The correct answer is C .
• Question 1268: When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because? Options:
  A) of the even expansion of glass
  B) glass is a crystal
  C) glass is a good conductor of heat
  D) of the uneven expansion of gass
  Show Answer
  The correct answer is D .
• Question 1269: The lower and upper fixed points of a mercury-in-glass thermometer are marked X and 180 mm respectively. On a particular day the mercury meniscus in the thermometer rises to 60mm. If the corresponding reading on a Celsius scale is 20 ° C, what is the value X? Options:
  A) 6.0mm
  B) 18.0mm
  C) 30.0mm
  D) 60.0mm
  E) 120.0mm
  Show Answer
  The correct answer is C .
• Question 1270: When the r.m.s value of a source of electricity supply is given as 240v, it means that the peak value of the supply is Options:
  A) 240v
  B) 340v
  C) 480v
  D) 57600v
  Show Answer
  The correct answer is B .