WorksheetsPhysics Yr. 11(WAEC) 3rd Term Exam
Total questions: 50
Worksheet time: 25mins
Identify the only Fundamental quantity among the following
Force
Pressure
Mass
Energy
A body of mass 10kg has a weight of __________ if the acceleration due to gravity is 9.87 m/s² at the location where the body is.
9.87 N
98.7 N
987 N
0.987 N
Which of the following is not a fundamental unit?
Kilogram
Metre
Joule
Kelvin
Which of the following is most suitable for measuring weight?
Lever balance
Torsion bar
Spring balance
Work function
A force of 50 N produces an acceleration of 2.5 m/s² on a body. Find the mass of the body.
50 kg
40 kg
30 kg
20 kg
A rectangular glass block is 70 cm long and 50 cm wide. If its height is 30 cm, find its volume in cubic meters.
105 m³
10.5 m³
0.105 m³
1050 m³
Whenever a force is applied through a distance, which of the following takes place?
Work is done
Energy is destroyed
Power is lost
None of the above
Which of the following is the correct relation for Potential Energy?
P.E = hg
P.E = mv²
P.E = mgh
P.E = ma
A body of mass 80 kg rests on a horizontal platform which is 5 m above the ground. If the acceleration due to gravity at the location is 10 m/s², what is the Potential Energy possessed by the body?
40 J
400 J
4000 J
40000 J
According to the kinetic molecular theory, Temperature can be defined as:
Heat transfer
Average collision impact
Average kinetic energy of molecules
Average density of molecules
The Kinetic energy of a moving body is 450 J. If the mass of this body is 1 kg, calculate its velocity.
10 m/s
20 m/s
30 m/s
40 m/s
Which of the following is the unit of Power?
Joule
Newton
Watt
Seconds
A boy carries a load of 60 N through a distance of 20 m in 2 minutes. Calculate the Power of the boy.
30 W
20 W
10 W
1 W
Waves whose direction of vibration is perpendicular to its direction of propagation fall under which category?
Mechanical wave
Solar wave
Transverse waves
Longitudinal waves
The wavelength of a radio wave is 5 × 10⁻³ m. At what frequency will a broadcasting station transmit these waves if the velocity of Electromagnetic waves is 3 × 10⁸ m/s?
3 × 10³ Hz
4 × 10⁵ Hz
5 × 10⁷ Hz
6 × 10¹⁰ Hz
A 42 kg glass cuboid has a density of 7 kg/m³. Calculate the volume of this cuboid.
12 m³
9 m³
6 m³
3 m³
A force of 500 N acts on an area of 25 m². Calculate the pressure in this case.
2 N/m²
20 N/m²
30 N/m²
40 N/m²
In liquid, pressure is expressed mathematically as __________.
P = Ah
P = hgx
P = hρg
P = hfe
Pressure applied at one point is equally transmitted to all other parts including the wall in an enclosed fluid. This statement is known as
Pythagoras theorem
Pascal principle
Niels law
Dalton law
A uniform metre rule is balanced on a fulcrum placed at the 35 cm mark by suspending a mass of 120 g at the 10 cm mark. Calculate the mass of the metre rule.
60 g
80 g
120 g
200 g
Which instrument is used to measure relative humidity?
Hydrometer
Hygrometer
Barometer
Altimeter
Which of the following best describes a transverse wave?
The particles vibrate in the same direction as the wave motion
The particles vibrate in a circular motion
The particles vibrate perpendicular to the direction of wave motion
The wave does not transfer energy
Which of the following is a longitudinal wave?
Water wave
Light wave
Sound wave
Radio wave
Mechanical waves require a __________ to travel.
Medium
Vacuum
Screen
Prism
Which type of wave can travel through a vacuum?
Sound wave
Water wave
Seismic wave
Electromagnetic wave
The distance between two successive crests or troughs in a wave is called
Frequency
Amplitude
Wavelength
Period
What is the unit of frequency?
Hertz (Hz)
Newton (N)
Joule (J)
Meter (m)
The number of complete waves passing a point in one second is called
Speed
Period
Frequency
Wavelength
A water wave has a speed of 4 m/s and a wavelength of 0.8 m. What is its period?
0.2 s
0.4 s
0.8 s
2.0 s
A sound wave travels at a speed of 340 m/s. If the wavelength is 0.85 m, what is the frequency?
289 Hz
340 Hz
2890 Hz
400 Hz
All electromagnetic waves travel at the same speed in a vacuum. What is this speed?
340 m/s
3 × 10⁸ m/s
1.5 × 10⁸ m/s
3 × 10⁶ m/s
Waves that need a medium for transmission are known as
Electromagnetic waves
Mechanical waves
Optical waves
Transverse waves
Which of the following is true about light as a wave?
It requires a medium to travel
It is a longitudinal wave
It is a mechanical wave
It exhibits interference and diffraction
Which of the following wave characteristics is particular to light and involves making light to vibrate in only one plane?
Diffraction
Polarization
Reflection
Interference
What is the speed of light in a vacuum?
3.0 × 10⁸ m/s
3.0 × 10⁶ m/s
1.5 × 10⁸ m/s
1.0 × 10⁶ m/s
Which of the following does NOT support the wave nature of light?
Refraction
Polarization
Photoelectric effect
Interference
Which phenomenon shows that light can bend around corners?
Reflection
Diffraction
Refraction
Absorption
The principle of Rectilinear propagation of light states that light travels
In circular paths
In a vacuum only
In a straight line
In zig-zag paths
A fundamental law of Reflection states that 'The angle of incidence is equal to
Angle of deviation
Angle of refraction
Angle of reflection
Critical angle
In reflection, the incident ray, reflected ray, and the normal all lie
In different planes
In the same plane
At right angles to each other
In circular paths
If a ray strikes a plane mirror at 40° to the Normal, what is the angle between the incident and reflected rays?
80°
40°
90°
20°
An image formed in a plane mirror is
Real, inverted, and smaller
Virtual, erect, and same size
Virtual, inverted, and smaller
Real and magnified
The image formed by a plane mirror is located
In front of the mirror
Behind the mirror
On the mirror surface
Between the observer and the object
The distance of the image from the mirror is always:
Less than the object distance
More than the object distance
Equal to the object distance
Depends on light intensity
Which characteristic is NOT true of the image in a plane mirror?
Same size
Erect
Laterally inverted
Magnified
The number of images formed by two plane mirrors inclined at angle θ is given by
180/θ
360/θ
(360/θ) – 1
(360/θ) + 1
Two plane mirrors are inclined at 90°. How many images are formed?
2
3
4
1
If two plane mirrors are placed at 45° to each other, what is the number of images formed?
6
7
8
9
Which of the following is NOT a characteristic of the Image formed in a plane mirror?
Erect
Same size as the object
Formed behind the mirror (Virtual)
Real
Which of the following is a type of Curved Mirror?
Plane mirror
Standing Mirror
Convex mirror
Beauty mirror
