Skip to content

Search for:

Menu

Close

🏡 Home
🧸 Friends
📞 Support
Log Out

🏡 Home
🧸 Friends
📞 Support
Log Out

Search for:

Civil and Mechanical

J physics 17

Written by Admin September 7, 2025September 7, 2025

Jamb Physics 2017

Time limit: 0

Quiz Summary

0 of 40 Questions completed

Questions:

Information

You have already completed the quiz before. Hence you can not start it again.

Quiz is loading...

You must sign in or sign up to start the quiz.

You must first complete the following:

Results

Quiz complete. Results are being recorded.

Results

0 of 40 Questions answered correctly

Your time:

Time has elapsed

You have reached 0 of 0 point(s), (0)

Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)

Average score
Your score

Categories

Not categorized 0%

Review
Answered
Correct
Incorrect

Question 1 of 40

1. Question

It is known that a neutron exists in a light atomic nucleus

Which of the following also exists in the nucleus?

An electron
Correct Incorrect Correct answer

A β - particle
Correct Incorrect Correct answer

β - particle
Correct Incorrect Correct answer

proton
Correct Incorrect Correct answer

Correct

Incorrect
Question 2 of 40

2. Question

When two objects P and Q are supplied with the same quantity of heat, the temperature change in P is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat capacity pf P to Q is

1:4
Correct Incorrect Correct answer

4:1
Correct Incorrect Correct answer

1:1
Correct Incorrect Correct answer

2:1
Correct Incorrect Correct answer

Correct

Incorrect
Question 3 of 40

3. Question

What is the speed of a body vibrating at 50 cyclic per second

100 rads
Correct Incorrect Correct answer

200 rads
Correct Incorrect Correct answer

50 rads
Correct Incorrect Correct answer

400 rads
Correct Incorrect Correct answer

Correct

Incorrect
Question 4 of 40

4. Question

Which of the following instruments helps to maintain the correct humidity and temperature of a building?

A compressor
Correct Incorrect Correct answer

A refrigerator
Correct Incorrect Correct answer

Air blower
Correct Incorrect Correct answer

Air conditioner
Correct Incorrect Correct answer

Correct

Incorrect
Question 5 of 40

5. Question

A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the cell is

0.12
Correct Incorrect Correct answer

0.25
Correct Incorrect Correct answer

0.333
Correct Incorrect Correct answer

0.75
Correct Incorrect Correct answer

Correct

Incorrect
Question 6 of 40

6. Question

Which of the following representations is correct for an atom X with 28 electrons and 30 neutrons?

58/28X
Correct Incorrect Correct answer

30/28X
Correct Incorrect Correct answer

28/30X
Correct Incorrect Correct answer

58/30X
Correct Incorrect Correct answer

Correct

Incorrect
Question 7 of 40

7. Question

I. Refraction II. Interference III. Diffraction Which of the above properties are common to all waves?

II and III only
Correct Incorrect Correct answer

I, II and III
Correct Incorrect Correct answer

I and II only
Correct Incorrect Correct answer

I and III only
Correct Incorrect Correct answer

Correct

Incorrect
Question 8 of 40

8. Question

A radio station broadcast at a frequency of 600KHZ. If the speed of light in air is 3 × 108ms⁻¹. Calculate the wavelength of the radio wave

2.20 × 10³m
Correct Incorrect Correct answer

5.0 × 10²m
Correct Incorrect Correct answer

5.0 × 10⁵m
Correct Incorrect Correct answer

11.8 × 10¹¹m
Correct Incorrect Correct answer

Correct

Incorrect
Question 9 of 40

9. Question

Which of the following surfaces will absorbs radiant heat energy heat?

white
Correct Incorrect Correct answer

red
Correct Incorrect Correct answer

black
Correct Incorrect Correct answer

blue
Correct Incorrect Correct answer

Correct

Incorrect
Question 10 of 40

10. Question

The instrument to measure the relative density of light is

thermometer
Correct Incorrect Correct answer

hydrometer
Correct Incorrect Correct answer

spring balance
Correct Incorrect Correct answer

beaker
Correct Incorrect Correct answer

Correct

Incorrect
Question 11 of 40

11. Question

Calculate the specific latent heat of vaporization of steam of 1.13 x 10⁶J pf heat energy is required to convert 15kg of it to water.

7.53 x 10⁵ Jkg⁻¹
Correct Incorrect Correct answer

7.53 x 10^-2Jkg⁻¹
Correct Incorrect Correct answer

7.53 x 10⁴Jkg⁻¹
Correct Incorrect Correct answer

7.53 x 10^-3Jkg⁻¹
Correct Incorrect Correct answer

Correct

Incorrect
Question 12 of 40

12. Question

The instrument used to measure the pressure of a gas is

barometer
Correct Incorrect Correct answer

thermometer
Correct Incorrect Correct answer

hygrometer
Correct Incorrect Correct answer

manometer
Correct Incorrect Correct answer

Correct

Incorrect
Question 13 of 40

13. Question

Determine the focal length of a thin converging lens if the power is 5.0 dioptres

0.1 m
Correct Incorrect Correct answer

0.2 m
Correct Incorrect Correct answer

2.0 m
Correct Incorrect Correct answer

2.5 m
Correct Incorrect Correct answer

Correct

Incorrect
Question 14 of 40

14. Question

Why do soldiers march disorderly while crossing a bridge?

To prevent resonance on the bridge
Correct Incorrect Correct answer

To prevent resonance on the bridge@
Correct Incorrect Correct answer

To make the b ridge collapse
Correct Incorrect Correct answer

To spread their weight evenly on the bridge
Correct Incorrect Correct answer

Correct

Incorrect
Question 15 of 40

15. Question

If silicon is doped with phosphorus, what type of semiconductor material will be formed?

Zener material
Correct Incorrect Correct answer

P-n junction
Correct Incorrect Correct answer

n-type
Correct Incorrect Correct answer

p-type
Correct Incorrect Correct answer

Correct

Incorrect
Question 16 of 40

16. Question

Three 3ω resistance are connected in parallel what is the equivalent resistance?

1ω
Correct Incorrect Correct answer

9ω
Correct Incorrect Correct answer

3ω
Correct Incorrect Correct answer

0.33ω
Correct Incorrect Correct answer

Correct

Incorrect
Question 17 of 40

17. Question

From the diagram above, calculate the total current in the circuit

5.0A
Correct Incorrect Correct answer

3.7A
Correct Incorrect Correct answer

4.5A
Correct Incorrect Correct answer

4.0A
Correct Incorrect Correct answer

Correct

Incorrect
Question 18 of 40

18. Question

Which of the following is a scalar quantity?

Tension
Correct Incorrect Correct answer

Weight
Correct Incorrect Correct answer

Impulse
Correct Incorrect Correct answer

Mass
Correct Incorrect Correct answer

Correct

Incorrect
Question 19 of 40

19. Question

Calculate the electric field intensity between two plates of potential difference 6.5V when separated by a distance of 35cm.

18.57NC
Correct Incorrect Correct answer

53.06NC
Correct Incorrect Correct answer

2.28NC
Correct Incorrect Correct answer

0.80NC
Correct Incorrect Correct answer

Correct

Incorrect
Question 20 of 40

20. Question

Calculate the time taken for a mango fruit that fall from the tree 20 m to the ground [g = 10 ms^-2]

10s
Correct Incorrect Correct answer

5s
Correct Incorrect Correct answer

4s
Correct Incorrect Correct answer

2s
Correct Incorrect Correct answer

Correct

Incorrect
Question 21 of 40

21. Question

Which of the following operations can be used to convert an alternative current dynamo into a direct current dynamo

number of turns in the coil is increased
Correct Incorrect Correct answer

strength of the field magnet is increased
Correct Incorrect Correct answer

slip rings are replaced with split ring cummutator
Correct Incorrect Correct answer

coil is wound on a soft iron armature
Correct Incorrect Correct answer

Correct

Incorrect
Question 22 of 40

22. Question

A block and tackle pulley arrangement has 6 pulleys in which an effort of 50N supports a load of 200N, calculate the efficiency of the machine

0.8
Correct Incorrect Correct answer

0.766
Correct Incorrect Correct answer

0.667
Correct Incorrect Correct answer

0.607
Correct Incorrect Correct answer

Correct

Incorrect
Question 23 of 40

23. Question

The net capacitance in the circuit above is

8.0µF
Correct Incorrect Correct answer

6.0µF
Correct Incorrect Correct answer

4.0µF
Correct Incorrect Correct answer

2.0µF
Correct Incorrect Correct answer

Correct

Incorrect
Question 24 of 40

24. Question

The action of blotting paper on ink is due to

diffusion
Correct Incorrect Correct answer

osmosis
Correct Incorrect Correct answer

capillarity
Correct Incorrect Correct answer

surface tension
Correct Incorrect Correct answer

Correct

Incorrect
Question 25 of 40

25. Question

Calculate the upthrust on an object of volume 50cm³ which is immersed in liquid of density 10³kgm^-3 [g = 10ms^-2]

0.8N
Correct Incorrect Correct answer

2.5N
Correct Incorrect Correct answer

0.5N
Correct Incorrect Correct answer

1.0N
Correct Incorrect Correct answer

Correct

Incorrect
Question 26 of 40

26. Question

A constant force of 5N acts for 5 seconds on a mass of 5kg initially at rest. Calculate the final momentum

125kgms^-1
Correct Incorrect Correct answer

25kgms^-1
Correct Incorrect Correct answer

15kgms^-1
Correct Incorrect Correct answer

0kgms^-1
Correct Incorrect Correct answer

Correct

Incorrect
Question 27 of 40

27. Question

Which of the following is not an electromagnetic radiation?

x - ray
Correct Incorrect Correct answer

Radio waves
Correct Incorrect Correct answer

sunlight
Correct Incorrect Correct answer

sound waves
Correct Incorrect Correct answer

Correct

Incorrect
Question 28 of 40

28. Question

Which of the following is a semiconductor

copper
Correct Incorrect Correct answer

silicon
Correct Incorrect Correct answer

plastic
Correct Incorrect Correct answer

Iron
Correct Incorrect Correct answer

Correct

Incorrect
Question 29 of 40

29. Question

I. Refraction II. Interference III. Diffraction
Which of the above properties are common to all waves?

II and III only
Correct Incorrect Correct answer

I, II and III
Correct Incorrect Correct answer

I and II only
Correct Incorrect Correct answer

I and III only
Correct Incorrect Correct answer

Correct

Incorrect
Question 30 of 40

30. Question

Calculate the light of the image formed by a pinhole camera of length 12cm used to photograph an object 60cm away from the hole and 70cm high

10 cm
Correct Incorrect Correct answer

16 cm
Correct Incorrect Correct answer

5 cm
Correct Incorrect Correct answer

14 cm
Correct Incorrect Correct answer

Correct

Incorrect
Question 31 of 40

31. Question

An element and its isotope only differ in the number of

protons
Correct Incorrect Correct answer

electrons
Correct Incorrect Correct answer

ions
Correct Incorrect Correct answer

neutrons
Correct Incorrect Correct answer

Correct

Incorrect
Question 32 of 40

32. Question

Calculate the angle of minimum deviation of a 60o prism of a refractive index [sin^-1(0.75) = 49°]

38.00°
Correct Incorrect Correct answer

19.47°
Correct Incorrect Correct answer

16.25°
Correct Incorrect Correct answer

49°
Correct Incorrect Correct answer

Correct

Incorrect
Question 33 of 40

33. Question

The volume of a fixed mass of gas is 10cm³ when its pressure is 400cmHg. Determine the volume of the gas when its pressure is 200cmHg.

30cm³
Correct Incorrect Correct answer

40cm³
Correct Incorrect Correct answer

50cm³
Correct Incorrect Correct answer

20cm³
Correct Incorrect Correct answer

Correct

Incorrect
Question 34 of 40

34. Question

From the diagram above, calculate the energy stored in the capacitor

4.0 x 10⁻²J
Correct Incorrect Correct answer

4.0 x 10⁻⁴J
Correct Incorrect Correct answer

8.0 x 10⁻⁴J
Correct Incorrect Correct answer

8.0 x 10⁻²J
Correct Incorrect Correct answer

Correct

Incorrect
Question 35 of 40

35. Question

When the r.m.s value of a source of electricity supply is given as 240v, it means that the peak value of the supply is

240v
Correct Incorrect Correct answer

340v
Correct Incorrect Correct answer

480v
Correct Incorrect Correct answer

57600v
Correct Incorrect Correct answer

Correct

Incorrect
Question 36 of 40

36. Question

A man of mass 50kg ascends a flight of stains 5m high in 5 seconds. If acceleration due to gravity is 10ms⁻² the power expended is

100w
Correct Incorrect Correct answer

200w
Correct Incorrect Correct answer

400w
Correct Incorrect Correct answer

500w
Correct Incorrect Correct answer

Correct

Incorrect
Question 37 of 40

37. Question

Under which of the following conditions is work done?

A man supports a heavy food above his head with his hands
Correct Incorrect Correct answer

A boy climbs onto a table
Correct Incorrect Correct answer

A man pushes unto a table
Correct Incorrect Correct answer

A woman holds a pot of water
Correct Incorrect Correct answer

Correct

Incorrect
Question 38 of 40

38. Question

Which is the incorrect formula for a body accelerating uniformly?

\( a = v^{2} - \dfrac{u^{2}}{2} \)
Correct Incorrect Correct answer

\( v^{2} = u^{2} + 2as \)
Correct Incorrect Correct answer

\( s = ut + \dfrac{1}{2}at^{2} \)
Correct Incorrect Correct answer

\( v^{2} - u^{2} = 2as \)
Correct Incorrect Correct answer

Correct

Incorrect
Question 39 of 40

39. Question

The thermal expansion of a solid is an advantage in

Balance wheel of a watch
Correct Incorrect Correct answer

Construction of steel rail lines
Correct Incorrect Correct answer

Construction of large steel bridges
Correct Incorrect Correct answer

Fitting of tyres on wheels
Correct Incorrect Correct answer

Correct

Incorrect
Question 40 of 40

40. Question

The S.I unit of moment of a force is

kgm
Correct Incorrect Correct answer

µm
Correct Incorrect Correct answer

Jm
Correct Incorrect Correct answer

µm
Correct Incorrect Correct answer

Correct

Incorrect

Posted in Civil and Mechanical

Post navigation

Copyright © 2026 | Powered by BuddyX WordPress Theme