Physics Past Questions v4 (JAMB/WAEC/NECO); These Physics past questions are for students who are sitting for the following examinations

HAVE YOU USED OUR JAMB TOOL YET? IT PROVIDES YOUR JAMB COMBINATION FOR FREE

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

Physics Past Questions v4 (JAMB/WAEC/NECO)

Results

Good Job.

Try Again.

#1. The wave motion above has a frequency

A) 0.1Hz

A) 0.1Hz

B) 0.2Hz

B) 0.2Hz

C) 5Hz

C) 5Hz

D) 10Hz

D) 10Hz

E) 100Hz

E) 100Hz

#2. In a light experiment with a convex lens a student plotted a graph as shown above of the reciprocal of object distance (1)/u against the reciprocal of image distance (1)/v . the focal length of the lens is given as

A) slope of line PQ

A) slope of line PQ

B) Reciprocal of either OP or OQ

B) Reciprocal of either OP or OQ

C) Length OP or OQ

C) Length OP or OQ

D) area under the graph E ratio OP/OQ

D) area under the graph E ratio OP/OQ

#3. The effect of closing the key K in the circuit shown above would be to

A) increase the current by 0.6A

A) increase the current by 0.6A

B) reduce the current by 0.6A

B) reduce the current by 0.6A

C) increase the current by 0.4A

C) increase the current by 0.4A

D) keep the current unchanged

D) keep the current unchanged

#4. Which of the following is NOT directly associated with direct current (DC)?

A) A dry cell

A) A dry cell

B) a moving coil galvanometer

B) a moving coil galvanometer

C) a transformer

C) a transformer

D) a lead- acid accumulator

D) a lead- acid accumulator

E) a commutator

E) a commutator

#5. A transformer has 300 turns of wire in the primary coil and 30 turns in the secondary coil.If the input voltage is 100 volts, the output voltage is

A) 5 volts

A) 5 volts

B) 10 volts

B) 10 volts

C) 15 volts

C) 15 volts

D) 20 volts

D) 20 volts

#6. A closed coil of wire is placed near a magnet. The magnet lies along the axis of the coil. Under which of the following conditions would there be no current in the coil?

A) When the coil is moved toward the stationary magnet

A) When the coil is moved toward the stationary magnet

B) When the coil is moved away from the stationary magnet

B) When the coil is moved away from the stationary magnet

C) when the coil is held stationary but the magnet is moved towards the coil

C) when the coil is held stationary but the magnet is moved towards the coil

D) when both the coil and the magnet are held stationary

D) when both the coil and the magnet are held stationary

E) when the coil is held stationary but the magnet is moved away from the cell

E) when the coil is held stationary but the magnet is moved away from the cell

#7. The quantity (timbre) of sound depends on

A) amplitude

A) amplitude

B) frequency

B) frequency

C) harmonics

C) harmonics

D) velocity

D) velocity

E) wavelength

E) wavelength

#8. An object placed on the principle axis of a convex lens of focal length 10m produces a real image of double magnification. The image distance from the lens is

A) 30cm

A) 30cm

B) 25cm

B) 25cm

C) 20cm

C) 20cm

D) 15cm

D) 15cm

E) 10cm

E) 10cm

#9. A liquid-in-glass thermometer should quickly register temperature changes. This is achieved by choosing a liquid that

A) is opaque

A) is opaque

B) has high density

B) has high density

C) has regular expansion

C) has regular expansion

D) has a high thermal conductivity

D) has a high thermal conductivity

E) can wet glass

E) can wet glass

#10. The extension in a spring when 5g wt was hung from it was 0.56cm. If Hooke's law is obeyed, What is the extension caused by a load of 20g wt?

A) 1.12m

A) 1.12m

B) 2.14cm

B) 2.14cm

C) 2.52cm

C) 2.52cm

D) 2.80cm

D) 2.80cm

E) 2.24cm

E) 2.24cm

#11. A body falls freely under gravity (g = 9.8ms-2) from a height of 40m on to the top of a platform 0.8m above the ground. Its velocity on reaching the platform is

A) 784ms-1

A) 784ms-1

B) 80ms-1

B) 80ms-1

C) 78.4ms-1

C) 78.4ms-1

D) 39.2ms-1

D) 39.2ms-1

E) 27.7ms-1

E) 27.7ms-1

#12. Alternating current can induce voltage because it has a

A) ripple value

A) ripple value

B) varying magnetic field

B) varying magnetic field

C) weaker magnetic field than direct current

C) weaker magnetic field than direct current

D) stonger magnetic field than direct current

D) stonger magnetic field than direct current

E) high peak value

E) high peak value

#13. A balloon inflated with helium gas at ground level is released. As it rises through a constant temperature atmosphere.

A) its pressuren reduces but volume remains constant

A) its pressuren reduces but volume remains constant

B) The product of pressure and volume remains constant

B) The product of pressure and volume remains constant

C) both pressure and volume increases

C) both pressure and volume increases

D) its pressure remains constant but the volume decreases

D) its pressure remains constant but the volume decreases

E) both pressure and volume remains constant

E) both pressure and volume remains constant

#14. Change of state is accompanied by change of

A) temperature

A) temperature

B) volume

B) volume

C) heat content

C) heat content

D) temperatureb and volume

D) temperatureb and volume

E) volume and heat content

E) volume and heat content

#15. Which of the following statements is CORRECT

A) charges generated on glass rubbed with slik are called negative

A) charges generated on glass rubbed with slik are called negative

B) charges in various media can be carried by protons detached from their atom

B) charges in various media can be carried by protons detached from their atom

C) the magnitude of any charge is a multiple of the charge of an electron

C) the magnitude of any charge is a multiple of the charge of an electron

D) the intensity of an electric field is a scalar quantity

D) the intensity of an electric field is a scalar quantity

E) if 500 joules of work are required to move a 2-coulomb charge between two

E) if 500 joules of work are required to move a 2-coulomb charge between two

#16. Which type of radiation does not NOT originate within the nucleus?

A) alpha

A) alpha

B) beta

B) beta

C) gamma

C) gamma

D) neutron

D) neutron

E) x-rays

E) x-rays

#17. Which type of radiation does not NOT originate within the nucleus?

A) alpha

A) alpha

B) beta

B) beta

C) gamma

C) gamma

D) neutron

D) neutron

E) x-rays

E) x-rays

#18. The resistance of an open series circuit is

A) zero

A) zero

B) half the normal resistance of the circuit

B) half the normal resistance of the circuit

C) double the normal resistance of the circuit

C) double the normal resistance of the circuit

D) one

D) one

E) infinite

E) infinite

#19. The lack of power of accommodation which is mainly due to the hardening of the eye lens and is usual with onset of old age is called?

A) myopia

A) myopia

B) hypermyopia

B) hypermyopia

C) presbyopia

C) presbyopia

D) astigmatism

D) astigmatism

E) eye ring

E) eye ring

#20. An aircraft travelled from calabar to kano as follows: it flew first to ilorin convering a distance of 300km, 30o west of North, and then flew 400km, 60o East of North to kano. What is the resultant displacement?

A) 567km

A) 567km

B) 410km

B) 410km

C) 594km

C) 594km

D) 500km

D) 500km

E) 600km

E) 600km

#21. All of the following frequencies are overtones of 320 Hz EXCEPT

A) 960Hz

A) 960Hz

B) 640Hz

B) 640Hz

C) 520Hz

C) 520Hz

D) 1280Hz

D) 1280Hz

E) 1600Hz

E) 1600Hz

#22. The driver in a motor car, of which the total mass is 800kg and which is traveling at 20ms-1, suddenly observes a stationary dog in his path 50m ahead. If the car brakes can exert a force of 2000N, what will most likely happen?

A) the car will be able to stop immediately the driver notices the dog

A) the car will be able to stop immediately the driver notices the dog

B) the car will stop 3pm after hitting the dog

B) the car will stop 3pm after hitting the dog

C) the car will stop 20m in front of the dog

C) the car will stop 20m in front of the dog

D) the driver will quickly reverse the car

D) the driver will quickly reverse the car

E) the car will stop 5m beyound the dog

E) the car will stop 5m beyound the dog

Finish

Practice Other Physics Questions Here