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 1161: 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 1162:

  A certain radioactive source emits radiation that was found to be deflected by both magneticand electric fields. The radiation is?

  Options:
  A) beta rays
  B) gamma rays
  C) x-rays
  D) ultra-violet rays
  Show Answer
  The correct answer is A .
• Question 1163: If two charged plates are maintained at a potential difference of 3 kv, the work done in taking a charge of 600µc across the field is Options:
  A) 0.8j
  B) 1.8j
  C) 9.0j
  D) 18.0j
  Show Answer
  The correct answer is B .
• Question 1164: A wave that travels through stretched strings is known as Options:
  A) electromagnetic wave
  B) micro wave
  C) mechanical wave
  D) seismic wave
  Show Answer
  The correct answer is C .
• Question 1165:

  I. Density of the liquid.

  II. Acceleration due to gravity.

  III. Type of container of the liquid.

  IV. The constituents of the liquid.

  Which of the above conditions will NOT affect the pressure of fluid?

  Options:
  A) I and III only
  B) II and III only
  C) III and IV only
  D) I and II only
  Show Answer
  The correct answer is C .
• Question 1166: The resistance of an open series circuit is Options:
  A) zero
  B) half the normal resistance of the circuit
  C) double the normal resistance of the circuit
  D) one
  E) infinite
  Show Answer
  The correct answer is E .
• Question 1167: Two forces A and B act at a point. If their resultant is [given by] (B - A) in the direction of B, then Options:
  A) A and B are equal
  B) A is greater than B
  C) the angle between A and B is 0°
  D) the angle between A and B is 90°
  E) the angle between A and B is 180°
  Show Answer
  The correct answer is E .
• Question 1168: A milliameter with full scale deflection of 10mA has an internal resistance of 5 ohms. It would be converted to an ammeter with a full scale deflection of 1A by connecting a resistance of Options:
  A) $\frac{5}{99}$ohms in series with it
  B) $\frac{5}{99}$ohms in parallel with it
  C) $\frac{99}{5}$ohms in series with it
  D) $\frac{99}{5}$ohms in parallel with it
  E) 2 ohms in series with it
  Show Answer
  The correct answer is B .
• Question 1169:

  Which of the following instruments may be used to measure relative humidity?

  Options:
  A) Hydrometer
  B) Manometer
  C) Hygrometer
  D) Hypsometer
  Show Answer
  The correct answer is C .
• Question 1170: An object 3.00m high is placed at a distance of 7.50m from a pin-hole camera. If the image height is 6.00 cm, what is the distance of the film from the pin-hole? Options:
  A) 3.75cm
  B) 7.50cm
  C) 15.00cm
  D) 30.00cm
  E) 150.00 cm
  Show Answer
  The correct answer is C .