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 1091: The instrument used for securing a large number of similar charges by induction is called Options:
  A) electrophorus
  B) capacitor
  C) proof-plane
  D) electroscope
  Show Answer
  The correct answer is A .
• Question 1092: If 1.2 x 10⁶J of heat energy is given off in 1 sec from a vessel maintained at a temperature gradient of 30Km^-1, the surface area of the vessel is Options:
  A) 1.0 x 10²m²
  B) 9. 0 x 10²m²
  C) 1.0 x 10³m²
  D) 9.0 x 10⁴m²
  Show Answer
  The correct answer is A .
• Question 1093: If a ball released from a height of 20m, How long would it take the ball to reach the ground? (assures g = 10m/s) Options:
  A) 2sec
  B) 3sec
  C) 35sec
  D) 2.4sec
  Show Answer
  The correct answer is A .
• Question 1094: A cell of internal resistance 0.01Ω can be measured accurately using the Options:
  A) Ohm meter
  B) metre bridge
  C) potentiometer
  D) electroscope
  Show Answer
  The correct answer is C .
• Question 1095: The kinetic theory of photoelectron liberated from a metallic surface depends on the Options:
  A) intensity of the incident radiation
  B) time duration of the incident radiation
  C) temperature of the incident radiation
  D) frequency of the incident radiation
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  The correct answer is D .
• Question 1096: Which of the following statements are true of an insulated charged body carrying positive charge? i. it contains excess positive charges. ii. it creates an electric field. iii. it possesses potential energy. iv. it carries electric current. Options:
  A) i and iv only
  B) i and ii only
  C) i, ii, iii only
  D) i, ii, iii and iv
  Show Answer
  The correct answer is D .
• Question 1097:

  Which of the following is a type of wave that is both mechanical and longitudinal?

  Options:
  A) Water waves
  B) Seismic waves
  C) Sound waves
  D) Light waves
  Show Answer
  The correct answer is C .
• Question 1098: In a common emitter configuration, the output voltage is through the Options:
  A) Resistor
  B) Base
  C) Collector
  D) Emitter
  Show Answer
  The correct answer is D .
• Question 1099: A car of mass 1500 kg goes round a circular curve of radius 50m at a speed of 40 ms^-1. The magnitude of the centripetal force on the car is ? Options:
  A) 4.8 x 10⁴ N
  B) 4.8 x 10³ N
  C) 1.2 x 10³ N
  D) 1.2 x 10² N
  Show Answer
  The correct answer is A .
• Question 1100: The inside portion of part of a hollow metal sphere of diameter 20cm is polished. The portion will therefore form a Options:
  A) concave mirror of focal length 5cm
  B) concave mirror of focal length 10cm
  C) convex mirror of focal length 5cm
  D) convex mirror of focal length 20cm
  Show Answer
  The correct answer is A .