Physics Past Questions v1 (JAMB/WAEC/NECO)

Physics Past Questions v1 (JAMB/WAEC/NECO); These Physics past questions are for students who are sitting for the following examinations:

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

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#1. Mercury is a better barometric fluid than water because i. it needs no colouring ii. its density is many times greater than that of water iii. it does not wet glass iv. it has a high vapour pressure v. it has a high boiling point. Which of the above statements are true? Options

#2. The density of a solid is defined as the Options

#3. Which of the following is true for the image formed by a convex mirror? i. the image is always virtual ii. the image is always erect iii. the image lies between pole and focus iv. the image is never magnified v. the focus length is negative

#4. A string is sustaining a stationary wave when Options

#5. For the correction of myopic defects in the human eye we require Options

#6. Of the following which is different from the other? Options

#7. An object is positioned between two plane mirrors inclined at right angles to each other. The object is 1 unit from each mirror. The number of images formed is Options

#8. The amount of heat required to raise the temperature of a body is Options

#9. Two lamps are rated 40W and 220V each are connected in series. The total power dissipated in both lamps is Options

#10. In the diagram, what is the value of W? Options

#11. The equivalent capacitance for the circuit drawn above is Options

#12. A string is sustaining a stationary wave when Options

#13. For the correction of myopic defects in the human eye we require Options

#14. Of the following which is different from the other? Options

#15. The net charge on the atom is zero because Options

#16. The visible part of light consists of the following colours Options

#17. An object is positioned between two plane mirrors inclined at right angles to each other. The object is 1 unit distance from each mirror, the number of images formed is Options

#18. The angular dispersion of a prism depends on Options

#19. Which of the following is true for the image formed by a convex mirror? i. the image is always virtual ii. the image is always erect iii. the image lies between pole and focus iv. the image is never magnified v. the focus length is negative Options

#20. The angular dispersion of a prism depends on Options

#21. An electric charge could be transmitted through Options

#22. a guitar string is 75cm long. the wavelength of its fundamental note is Options

#23. The boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of two tin cans. The physical principle employed is that sound travels Options

#24. an object 1cm high placed on the axis 15cm from a converging lens forms an image 30cm from the lens. The size of the image is Options

#25. On an a.c generator, which of the following does not apply? Options

#26. Why is it impossible for the lines of force of an electric field to cross one another? Options

#27. A potential difference of 6v is used to produce a current of 5A for 200s through a heating coil. The heat produced is Options

#28. The electric supply from Kainji Dam is transmitted at high voltages of the order hundreds of kilovolts but is converted to domestic use of about 220 volts by Options

#29. Every house supplied with electricity is provided with a box of fuses so that Options

#30. Three 5 ohms resistors connected in parallel have a potential difference of 60v. applied across the combination. The current in each resistor is Options

#31. If NEPA charges 5k per kWhr, what is the cost of operating for 24 hours a lamp required 1A on a 200v line? Options

#32. A magnet is moved through a coil of wire. The e.m.f. produced in the wire depends on Options

#33. In order to convert a galvanometer into an ammeter Options

#34. In a D.C. circuit, a 10 microfarad (mf) capacitor is placed in series with a 10 0hm resistor. The total resistance of the combination is Options

#35. The latent heat of fusion of ice is 80cal g-1. How much heat is required to change 10g of ice at QoC into water at the same temperature? Options

#36. A gas at pressure PN-m-2 and temperature 27oC is heated to 77oC at constant volume. The new pressure is Options

#37. The following are some units i. Ns ii. Mm iii. Nm-2 iv. JoK-1. What are the units of latent heat? Options

#38. The heat from the sun reaches the earth by the process Options

#39. Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance is Options

#40. The density of a solid is defined as the Options

#41. A solid suspended by a piece of string is completely immersed in water. On attempting to lift the solid out of the water, the string breaks when the solid is partly out of the water. This is because Options

#42. The statements below were made by some students describing what happened during the determination of the melting point of solids. I. the temperature of the solid was solid until melting started Ii. the temperature of the solid rose until melting started Iii. during melting, the temperature was rising Iv. during melting, the temperature was constant V. the temperature continued to rise after all the solid had melted Vi. the temperature stopped rising after all the solid had melted. Which of the following gives correct statements in the right order?

#43. A few grains of table salt were put in a cup of water, kept at constant temperature and left undisturbed. Eventually all the water tasted salty. The action is due to Options

#44. A temperature 20oC is the same as Options

#45. A machine gun with a mass of 5kg fires a 50g bullet at speed of 100ms-1. The recoil speed of the machine gun is Options

#46. mercury is a better barometric fluid than water because i. it needs no colouring ii. its density is many times greater than that of water iii. it does not wet glass iv. it has a high vapour pressure v. it has a high boiling point. which of the above statements are true? Options

#47. The internationally agreed system of units(SI) for physical measurements are Options

#48. To determine the weight of an object you could Options

#49. The factional force between two bodies Options

#50. An air force jet flying with a speed of 335ms-1 went past an anti-aircraft gun. How far is the aircraft 5s later when the gun was fired? Options

#51. A palm fruit dropped to the ground from the top of a tree 45m tall. How long does it take to reach the ground? (g = 10ms-2) Options

#52. A piece of rubber 10cm long stretches 6mm when a load of 100N is hung from it. What is the strain? Options

#53. An ice cube floats in a glass of water filled to the brim. What happens when the ice melts? Options

#54. A man walks 1km due east and then 1km due north. His displacement is Options

#55. Two lamps are rated 40W and 220V each are connected in series. The total power dissipated in both lamps is Options

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Physics Past Questions v1 (JAMB/WAEC/NECO)