Physics Specimen & Practicals 2017 | WAEC Practical Past Questions & Answer - The official WAEC specimen for 2017 examination has not been released or published online by the West African Examination Council. However, you can use the past questions and answers below to get yourself ready for the upcoming WAEC May/June examination.
Question 1 - PHYSICS SPECIMENS SAMPLE 2017
- Rectort stand with clamp
- Single grooved pulley of about 8cm radius with hole in its centre [remove all accessories on the pulley]
- Optical pin,weight hanger
- Slotted masses [50g, 70g, 110g, 130g]
- Thread about 3m
- Stop watch
- Tissue paper/pad
- Meter rule
- Measuring rape
Question 2 - PHYSICS SPECIMENS SAMPLE 2017
- Equilateral triangular glass prism
- Four optical pins
- Four thumb pins
- Cellatex board
- Drawing papers
Question 3 - PHYSICS SPECIMENS SAMPLE 2017
- Resistance box capable of reading 1n to 10n
- Voltmeter [0-5v]
- Plug key
- Two dry cells each of emf 1.5v
- Six connecting wires
PHYSICS PRACTICAL SOLUTION SET
Please note that these are not the real physic 2017 practical answers but we have published it as a guide to physics practicals to help students writing the WAEC practicals. It is a past question and answer for WAEC physics practicals questions and answers
- S/n: 1, 2, 3, 4, 5, 6
- L(cm): 150.0, 120.0, 100.0, 80.0, 60.0, 40.0
- t(sec): 4.800, 4.100, 3.300, 2.600, 1.900, 1.200
- t^-1(Sec^-1): 0.208, 0.244, 0.303, 0.385, 0.526, 0.833
- t^2(sec^2): 23.40, 16.81, 10.89, 6.76, 3.61, 1.44
- L/t^2(m/s^2): 6.510, 7.139, 9.183, 11.83, 16.6, 27.7
Precautions for Physics Specimen:
- I ensured the experiment was not affected by air interference when determining the balance points
- I ensured the mass roll down freely as being influenced under gravity
- I ensured that the readings were taken without any error
DEFINITIONS IN PHYSICS YOU NEED TO KNOW:
- FORCE OF GRAVITY: The total gravitational force which acts on a body and so enables it,in turn to exert an equal force on its support
- DISPLACEMENT: This Is defined as the distance moved in a specified direction
- NEWTONIAN MECHANICS: This is defined as the rate of change of distance moved with time in a specified direction or rate of change of displacement
- UNIFORM VELOCITY: A body moved with uniform velocity if its rate of change of distance moved with time in a specified direction is constant
- ACCELERATION: This is defined as the rate of change of velocity with time
- INERTIA: The tendency of a body to remain at rest or if moving, to continue its motion in a straight line
- UNIFORM ACCELERATION: A body moved with uniform acceleration, if its rate of change of velocity with time in a specified direction is constant
- DECELERATION: A decreasing velocity or slowing down is usually called retardation.
S/n: 1, 2, 3, 4, 5, 6, 7
D: 100, 90, 80, 70, 60, 50, 40
D^2: 10000, 8100, 6400, 4900, 3600, 2500, 16
X1: 80.60, 70.20, 59.10, 47.80, 29.00, 20.35
X2: 18.30, 19.00, 20.00, 22.00, 7.60, 4.50, 1.0
L (X1-X2): 62.20, 51.20, 39.10, 24.70, 21.40, 15.85
- I ensured parallax when reading the metre rule.
- I ensured that the intensity or source of light was maintained.
An illuminated object is placed on the axis of a converging lens and a magnified image is obtained on the screen. If the distance of the image from the lens is 45cm and the magnification is 2, calculate the focal length of lens.
M=v/u=45/2 = 22.5cm
F=uv/v+u = 22.5*45.00/22.5+45.00 = 1012.5/67.5 = 15cm
S/n: 1, 2, 3, 4, 5
L1: 20, 40, 60, 80, 100
L2: 10, 15, 25, 35, 45
I1(A): 0.50, 0.40, 0.32, 0.22, 0.14
I2(A): 0.58, 0.53, 0.45, 0.41, 0.37
I1^-1: 0.20, 2.50, 3.13, 4.55, 7.143
I2^1: 1.724, 1.890, 2.22, 2.44, 2.70
- I will ensure that the key is opened when no reading is taken to avoid battery wastage.
- I ensured tight connection -I ensured error due to parallax when taking reading from the ameter
- I will ensure that the circuit element are tightly connected to ensure accurate result
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YOU NEED TO KNOW THIS:
Electromotive force is the potential difference between the terminals of a cell when no current is flowing in the circuit.
NOTE THAT ^ MEANS RAISE TO POWER.
- Eg: 2^4 Means 2 raise to power 4.
- L^-2 means L raise to power
- -2(minus two)
- -COMMA MEANS NEXT LINE. Eg: x: 4,2,3,4,5 means that you draw a table, then under x, you will get 4, under 4 is 2, under 2 is 3, under 3 is 4 and so on.