Senior Class WAEC/NECO/UTME Mock Exams(Physics) : GATE Academy

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NAME

PHONE NUMBER

Which among the following are primary colors?

Blue, Yellow, Green

Red, Magenta, Yellow

Red, Green, Blue

Yellow, Violet, Blue

2. Which of the followings are the correct SI units of the quantities indicated?

I. N (Force)
II. N/m (Torque)
III. Watt (Power)
IV. Kgm/s² (Momentum)

I, III & IV Only

I & II Only

I & III Only

I, II & III Only

3. I. diameter of a small ball bearing.
II. thickness of a piece of paper.
III. diameter of a measuring cylinder.
IV. length of a piece of wire.

Which of the above can be measured using a micrometer screw gauge?

III and IV only

II and III only

I and II only

all of the above

I, II, and IV only

With an increase in pressure the melting point of water will

first increase and then decrease

increase

decrease

remain unaffected

5. Which of the following is a vector quantity?

current density

current

altitude

mass

time

6. Which of the following instruments has a reading accuracy of 0.5mm?

micrometer screw gauge

meter rule

spring balance

vernier callipers

protractor

Light from the laser is ________.

Incoherent

Composite

Dispersed light

Monochromatic

8. The power source of a ticker-timer vibrates 40 times in one second. If the ticker-timer made 200 dots during an experiment, determine how long the experiment lasted

15s

25s

10s

45s

The period of revolution round the sun is maximum by which among the following planets?

Mars

Earth

Mercury

Venus

10.

The heating element of an electric heater is made of ____

None of these

Copper

Nichrome

Aluminum

11. Electrons were discovered by

J. J. Thompson

James Chadwick B.

Sir Isaac Newton

Charles Newton

12.

Galvanometer can be converted into a voltmeter by using

a low resistance wire in parallel

a high resistance wire in series

a low resistance wire in series

a high resistance wire in parallel

13.

Persistence of vision is the principle behind?

Cinema

Spectroscope

Periscope

Camera

14. The resultant force of a couple is

half

zero

one

infinity

15. In order to remove the error of parallax when taking measurements with a meter rule, the eye should be focused

Vertically upwards on the markings

Slantingly towards the right on the markings

Slantingly towards the left on the markings

Vertically downwards on the markings

16. An example of a scalar quantity is

momentum

velocity

acceleration due to gravity

weight

electric charge

17. The general gas law can be written as

V/T = constant

P/T = constant

PV/T = constant

PV = constant

18. Body floats in a fluid when it ________

displaces its own volume of the liquid (fluid)

displaces its own weight of the fluid

is no longer subjected to gravity

displaces its own density of the fluid

19.

Which metal is commonly used for making an electromagnet?

Copper

Nickel

Cobalt

Iron

20. Radio waves belong to the class of waves whose velocity is about

3 × 10^-8 m/s

3 × 10^6 m/s

34 m/s

3 × 10^8 m/s

21. Which of the following quantities has the same unit as the Watt?

force x acceleration

force x velocity

force x distance

force x time

22. The distance X, metres travelled by a particle in time, t seconds is described by the equation X = 10 + 12t².
Find the average speed of the particle between the time interval, t = 2s and t = 5s.

52.57m/s

108m/s

60m/s

84m/s

72m/s

23. Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule?

35.01mm

35mm

35.00mm

35.0mm

24.

The Gas law was given by

Boyle

Ostwald

Faraday

Arrhenius

25. Which of the following is not a luminous object?

The sun

The moon

A star

A lit candle

26. The international agreed system of units (S.I) for physical measurements are?

kg, m, s

cm, g, s

lb, ft, s

kg, cm, s

g, m, s

27. One of the following readings represents the measurement of the length of a metal rod using vernier callipers.

5cm

5.165cm

5.0cm

5.160cm

5.16cm

28. In order to remove the error of parallax when taking measurements with a meter rule, the eye should be focused

slantingly towards the right on the markings

vertically downwards on the markings

vertically upwards on the markings

slantingly towards the left on the markings

29.

Fire in the diesel engine is produced by which of the following?

Spark plug

Self starter

Compression

Friction

30. Which of the following pairs of physical quantities comprises vectors?

electric field potential & electric field intensity

friction & momentum

force ratio & velocity ratio

energy & power

capacitance & inductance

31.

Kilowatt – hour is a unit of

current

energy

power

electric charge

32. The magnitude of the resultant of mutually perpendicular forces, F1 and F2 is 13N. If the magnitude of F1 is 5N, what is the magnitude of F2?

18N

2.6N

12N

65N

33. A machine gun with a mass of 5kg fires a 50g bullet at a speed of 100m/s. The recoil speed of the machine gun is

34. In which of the following devices is the expansion of a solid a disadvantage?

I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer

II, III, and IV only

I only

III only

II and III only

35. An Eagle flying due north with a velocity of 15m/s sheds a feather in an air current blowing at 20m/s due east. The feather will move with a velocity of

25m/s west of north

20m/s west of south

25m/s east of north

25m/s east of south

15m/s north

36. The lower fixed point corresponds to a length of 20mm on the stem of a thermometer while the upper fixed point corresponds to 160mm. The temperature corresponding to a length of 48mm is

50.0°C

41.7°C

20.0°C

30.0°C

37. The dimensions of surface tension are

M/L/T

M/T²

MT²

M/L/T²

38. A man walks 8km north and then 5km in a direction 60° east of north. Find the distance from his starting point.

3.00km

13.00km

14.36km

11.36km

39. What is the relationship between mechanical advantage (MA), velocity ratio (VR) and efficiency in percentage?

E = MA/VR × 100%

VR = 1/(sinθ×MA)

MA = 1/E × 100%

MA = E × VR

40.

At what temperature are the temperatures on the Celsius and Fahrenheit scales equal?

40° Celsius

- 40° Celsius

- 273° Celsius

273° Celsius

41. If a ball is moving at 18m/s in a direction inclined at 60° to the horizontal. The horizontal component of its velocity is

9√3m/s

18m/s

9m/s

6√3m/s

6m/s

42. Which of the following is a set of vectors?

mass, volume and density

acceleration, velocity and moment

force, mass and moment

mass, weight and density

43. A single force which produces the same effect as a set of forces acting together at a point is known as the

equilibrium

component

resistant

equilibrant

resultant

44. A ball is thrown vertically upwards from the ground with an initial velocity of 20m/s. The maximum height reached by the ball is

10.0m

22.5m

7.5m

20.0m

45. A charge 50μC has an electric field strength of 360N/C at a certain point. The electric field strength due to another charge 120μC kept at the same distance apart and in the same medium is

944N/C

864N/C

150N/C

18N/C

46. A platinum resistance thermometer has resistances of 5.25Ω and 9.75Ω at 0°C and 100°C respectively. When the resistance is 8.25Ω, the temperature is

75.0°C

66.7°C

84.6°C

63.6°C

47. An aircraft attempts to fly due north at 100km/h. If the wind blows against it from east to west at 60km/h, its resultant velocity is

54km/h N60°E

117km/h N31°W

40km/h N31°E

117km/h N65°W

160km/h N30°W

48.

Ampere-hour is the unit of which among the following?

Intensity of current

Power

Energy

Amount of charge

49. Which of the following is equivalent to Kgm/s?

Nms

N/s

J/s

50. If the volume of a gas is recorded as 76 cm³ at a temperature of 27°C with a pressure of 800 mmHg. What will be the volume of the gas at S.T.P.?

25.7 cm³

36.2 cm³

24.3 cm³

72.8 cm³

51. A tugboat is travelling from Lagos to Morocco across the river Nile with a resultant velocity of 20 knots. If the river flows at 12 knots, the direction of motion of the boat relative to the direction of water flow is

36.87°

90°

136.87°

53.13°

0°

52. Which of the following is a fundamental unit?

Joules

Ampere

Newton

Watts

53. A machine has a V.R of 4. If it requires 800N to overcome a load of 1600N, what is the efficiency of the machine?

60%

40%

50%

54. Which of the following readings cannot be determined with a meter rule?

2.50cm

2.55cm

2.56cm

2.05cm

2.00cm

55. The equilibrant of two or more concurrent forces is equal

to the sum of the magnitude of the forces

in magnitude to the resultant but opposite in direction

in magnitude and direction to the resultant

to the difference in magnitude of the forces

56. Find the acceleration of a body of mass 20kg under forces of 3N and 10N acting horizontally in opposite directions

0.35m/s²

0.50m/s²

0.15m/s²

2.86m/s²

57.

What will be the maximum temperature if 100 gm ice at 0°C is put in 100 gm water at 80°C? (Latent heat of ice = 80 cal / gm)

60°C

45°C

0°C

35°C

58. In an elastic collision:

I. Energy is conserved.
II. Energy is decreased
III. Energy is increased
IV. Linear momentum is conserved

III only

I only

II and IV only

II only

59.

Which among the following order of decreasing wavelengths of electromagnetic waves is correct?

I. Radio waves
II. Infrared rays
III. Visible Light
IV. X-Rays

I, III, II, IV

II, I, IV, III

I, II, III, IV

IV, III, II, I

60. A ball is thrown vertically upwards from the ground with an initial velocity of 20m/s. The time spent in air by the ball is

10s

61 out of 60

Time is Up!

Senior Class WAEC/NECO/UTME Mock Exams(Physics)

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