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 1241: The property of a body to remain at rest or to continue to move in a straight line is known as Options:
  A) force
  B) Impulse
  C) Energy
  D) Inertia
  Show Answer
  The correct answer is D .
• Question 1242: If a positively charged glass-rod is used to charge an electroscope X by contact and an electroscope Y by induction, then Options:
  A) X and Y will be negatively charge
  B) X and Y will be positively charged
  C) X will be negatively charged and Y positively charged
  D) X will be positively charged and Y negatively charged
  E) X will be positively charged and Y will remain uncharged
  Show Answer
  The correct answer is D .
• Question 1243:

  

  For the wave motion represented above, the wavelength is given by

  Options:
  A) p
  B) q
  C) r
  D) s
  E) t
  Show Answer
  The correct answer is D .
• Question 1244:

  When the plate area of a capacitor increases?

  Options:
  A) the voltage can withstand increase
  B) the capacitance decreases
  C) the capacitance is unaffected
  D) the capacitance increases
  Show Answer
  The correct answer is D .
• Question 1245:

  A person standing waist-deep in a swimming pool appears to have short legs because of light?

  Options:
  A) diffraction
  B) refraction
  C) reflection
  D) interference
  Show Answer
  The correct answer is B .
• Question 1246: A gas at a volume of V₀ in a container at pressure P₀ is compressed to one-fifth of its volume. What will be its pressure if the magnitude of its original temperature T is constant? Options:
  A) P₀/5
  B) 4P₀/5
  C) P₀
  D) 5P₀
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  The correct answer is D .
• Question 1247: Which of the following statements is CORRECT? i. the mass number is equal to the total number of protons and electrons in an atom. ii. the atomic number is equal to the number of protons in an atom. iii. the number of electrons in an atom is equal to the total number of protons and neutrons in the nucleus. Options:
  A) i only
  B) ii only
  C) iii only
  D) i and ii only
  E) ii and iii only
  Show Answer
  The correct answer is B .
• Question 1248: If an object is placed between two parallel plane mirrors with their reflecting surfaces facing each other, how many images of the object will be formed? Options:
  A) Infinite
  B) Eight
  C) Four
  D) Two
  Show Answer
  The correct answer is A .
• Question 1249:

  A resistance R is connected across the terminal of an electric cell of internal resistance 2Ω and the voltage was reduced to 3/5 of its nominal value.

  The value of R is

  Options:
  A) 3 Ω
  B) 2 Ω
  C) 1 Ω
  D) 6 Ω
  Show Answer
  The correct answer is A .
• Question 1250:

  For the correction of myopic defects in the human eye we require

  Options:
  A) a convex lens
  B) a concave lens
  C) a combination of concave and convex lenses
  D) a prism
  E) a concave mirror
  Show Answer
  The correct answer is B .