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Physics Past Questions v34 for (JAMB/WAEC/NECO)

Physics Past Questions v34 For (JAMB/WAEC/NECO); These Physics past questions are for students who are sitting for the following examinations


  • JAMB
  • Post-UTME / Post-JAMB
  • WAEC
  • NECO

Physics Past Questions v34 For (JAMB/WAEC/NECO)


#1. Satellite communication network makes use of?

#2. An electric device is rated 2000 W, 250 v. The correct fuse rating of the device is?

#3. The north pole of a magnet can never be separated from the south pole because of the property knowledge as?

#4. A car battery rated 45 A H is charged with a charger whose rating is 2.5A.How long will it take to charge the battery full?

#5. The electric field intensity in a place where a charge of 10-10c experiences a force of 0.4N is?

#6. The process whereby the molecules of different substances move randomly is called?

#7. I. reproducibility II. SensibilityIII. High terminal capacityiv. High accuracy The quantities of a good thermometer include?

#8. The process whereby a liquid turns spontaneously into vapour is called?

#9. I. MeltingII. Boiling III. RefractionIV. ConductionWhich combination of the above is evident of the molecular nature of matter?

#10. When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the thick one cracks because?

#11. The current in a reverse-biased junction is due to?

#12. which of the following materials is a conductor?

#13. When the temperature difference between the wet and dry bulbs of a hygrometer is high, this indicates that

#14. A 3m3 volume of liquid W of density 200kgm3 is mixed with another liquid L of volume 7m3 and density 150kgm-3. the density of mixture is?

#15. A body of mass 36kg falls through a viscous liquid which offers a drag force of 260N on the body. The upthrust on the body at terminal velocity is? [g = 10ms2]

#16. A silicon material is dopped with an element of a certain group and an n-type semi-conductor is formed. the most likely group of the element is

#17. The charge carriers in gasses are

#18. the ray which causes gas molecules to glow is known as

#19. A transformer is rated 240v. If the primary coil is 4000 turns and the secondary voltage 12v, determine the number of turns in the secondary coil.

#20. An object is projected for the hieght of 80 m above the ground with a velocity of 40ms-1 at the angle of 30° to the horizontal. The time of flight

#21. In an a.c circuit that contains only a capacitor, the voltage lags behind the current by

#22. The time it will take a certain radioactive material with a half-life of 50 days to reduce to 1/32of its original number is

#23. a proton moving with a speed of 1.0 x 106ms-1 through a magnetic field of 1.0T experiences a magnetic force of magnitude 8.0 x 10-14 N. The angle between the proton''s velocity and the field is

#24. When impurities are added to semi-conductors, the conductivity of the semi-conductor

#25. The sharpness of the boundary of the shadow of an object is determined by the

#26. A thin converging lens has a power of 4.0 diopters determined its focal length.

#27. A real image three times the size of an object is formed 24cm from a converging mirror. what is the focal length of the mirror.

#28. The pair of physical quantities consisting of vectors only are

#29. Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to

#30. In a nuclear reactor, chain reactions result from the release of

#31. Which of the following source of energy is renewable?

#32. Light of energy 5.0 eV falls on a metal of work function 3.0 eV and electrons are emitted, determine the stopping potential. [electronic charge, e = 1.60 x 108ms-19]

#33. Uranium of atom number 92 and mass number 238 emits an alpha particle from its nucleus. The new nucleus formed has respectively, atomic number and mass number

#34. A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when

#35. an electric motor is a machine that converts

#36. Which of the following statements is an advantage of nuclear fusion over nuclear fission?

#37. Which of the following statements is not a reason for using soft iron in making the core of a transformer? It

#38. An electric lamp is rated 240V, 40W. What is the cost of running the lamp for 72 hours if the electricity authority charges N2.50 per kWh?

#39. Which of the following statements explains lost volt in an electric circuit?

#40. A constantan wire has a cross sectional area of 4 x 10-8m2 and a resistivity of 1.1 x 10-6m omega. If a resistor of resistance 11 omega is to be made from this wire, calculate the length of the wire required

#41. The mass and weight of a body on earth are 8kg and 80N respectively. Determine the mass and weight of the body respectively on a planet where the pull of gravity is 1/8 that on earth

#42. The ability of a material to store an electric charge when its plates are at different potentials is referred to as its

#43. a chemical cell of internal resistance 1 omega supplies electric current to an external resistor of resistance 3 omega. Calculate the efficiency of the cell

#44. Radio waves travel in air at 3.0 x 108ms-1. If the waves enter water of refractive index 4/3 , calculate the speed of radio waves in water

#45. Which of the following optical instruments does not depend on the use of plane mirrors?

#46. A ray of light is incident normally on a plan mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of 30o, determine the initial and final angles of reflection respectively

#47. In which of the following media is the transmission of sound wave fastest?

#48. Which of the following statements about boiling and evaporation at atmospheric pressure is correct?

#49. Which of the following statements is correct?

#50. The pressure exerted by a given mass of gas in a container

#51. Which of the following statements about a progressive mechanical wave is correct?

#52. The distance between two points in phase on a progressive wave is 5cm. If the sped of the wave is 0.2ms-1, calculate its period

#53. The lower and upper fixed point of a thermometer are 30mm and 180mm respectively. Calculate the temperature in degrees Celsius when the thermometer reads 45mm

#54. An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5oC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]

#55. Water falls through a height of 50m. Determine the temperature rise at the bottom of the fall. [Neglect energy losses. Specific heat capacity of water = 4200Jkg-1 K-1, g = 10ms2]

#56. The energy required to change a solid to liquid at constant temperature is called

#57. Which of the following about an object performing simple harmonic motion is correct? Its acceleration

#58. A body of mass 5kg moving with a velocity of 10ms-1 collides with a stationary body of mass 6kg. If the two bodies stick together and move in the same direction after their collision, calculate their common velocity

#59. Fuel was consumed at a steady rate of 5.0 x 10-2kg per second in a rocket engine and ejected as a gas with a speed of 4 x 103ms-1. Determine the thrust on the rocket

#60. Which of the following quantities has the same unit as energy?

#61. A wheel and axle of radii 800mm and 200mm respectively is used to raise a body of weight 800N by the application of 250N. Calculate the efficiency of the machine

#62. Masses,m1 and m2 at the 20-cm and 65-cm marks respectively of a uniform metre rule freely suspended at its centre of gravity. If the metre rule balances horizontally, determine the ratio m2 : m1

#63. Which of the following type of motion does a body undergo when acted upon by a couple?V

#64. The frequency of a swinging pendulum is the

#65. Each of the following physical quantities is classified as a vector or a scalar quantity. Which of the classifications is correct?

#66. Which of the following statements about a spring balance and/or a chemical balance is not correct?

#67. The friction which exists between two layers of liquid in relative motion is called

#68. A body of mass 25kg, moving at 3ms-1 on a rough horizontal floor is at rest after sliding through a distance of 2.50m on the floor. Calculate the co-efficient of sliding friction. [g = 10.0ms-2]

#69. Which of the following simple machines is a second class lever?

#70. Which of the following phenomena is the practical evidence for the existence of the continual motion of molecules?

#71. The diagram above shows the resultant electric field pattern due to two electric point charges P and S. Which of the following statements is correct?

#72. The amplitude of a wave is the

#73. Lenz's law of electromagnetic induction states that

#74. I. Melting II. Boiling III. Refraction IV. Conduction Which combination of the above is evident of the molecular nature of matter?


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