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 1321: Which of the following will convert a milliammeter to a voltmeter? Options:
  A) low series resistance
  B) low parallel resistance
  C) high series resistance
  D) high parallel resistance
  E) parallel resistance equal to milliammeter resistance
  Show Answer
  The correct answer is C .
• Question 1322: 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 1323:

  A siren having a ring of 200 hole makes 132 rev/min. A jet of air is directed on the set of holes. Calculate the frequency and wavelength in air of the note produced (take v = 350m/s)

  Options:
  A) 0.875m
  B) 0.625m
  C) 0.335m
  D) 0.125m
  Show Answer
  The correct answer is A .
• Question 1324: Heat may be transferred by conduction, convection and radiation. By which of these methods does heat travel through vacuum? Options:
  A) conduction only
  B) convection only
  C) radiation only
  D) non of these methods
  Show Answer
  The correct answer is C .
• Question 1325: A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on Options:
  A) the number of turns in the coil
  B) the strength of the magnet
  C) the speed at which the magnet is moved
  D) all of the above
  E) none of the above
  Show Answer
  The correct answer is D .
• Question 1326: Electric charges on the surface of a conductor would be most evenly distributed if the shape of the conductor is Options:
  A) conical
  B) cubical
  C) cylindrical
  D) parabolic
  E) spherical
  Show Answer
  The correct answer is C .
• Question 1327: 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
  Show Answer
  The correct answer is D .
• Question 1328: The gravitational field intensity at a location X, in space, is two-fifths of its value on the earth’s surface. If the weight of an object at X is 4.80N. what is its weight on the earth? Options:
  A) 1.92N
  B) 2.88N
  C) 6.72N
  D) 8.00N
  E) 12.00N
  Show Answer
  The correct answer is E .
• Question 1329: If a car starts from rest and moves with a uniform acceleration of 10ms^-2 for ten seconds, the distance it covers in the last one second of its motion is Options:
  A) 95m
  B) 100m
  C) 500m
  D) 905m
  E) 1000m
  Show Answer
  The correct answer is A .
• Question 1330: Ripples on water and light waves are similar because both Options:
  A) have the same frequency
  B) can be refracted and diffracted
  C) are longitudinal waves
  D) have the same velocity
  Show Answer
  The correct answer is C .