The WAEC Physics Practical 2021 Answers to [Alternative] Questions Out. In this post, I want to share with you the released exam answers which will be written on friday 24th September 2021. The West African Examination Council WAEC Physics Practical 2021 Answers to [Alternative] Questions The West African Examination Council (WAEC) Physics Practical Alternative B paper will now be written on Friday 24th September 2021 from 9:30 am to 11:30 am for the first set and 12:00 am to 2:00 pm for the second set.
Do you want to see the WAEC Physics Practical 2021 Answers to [Alternative] Questions Out?
Candidates who are writing the WAEC Physics Practicals 2021 exam are to take note of the details below. As usual, we will be providing you with the Waec physics apparatus, materials, and calculations that are used for the West African Examination Council May/ June exam. Also referred to as waec physics practical specimen.
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The Waec physics practical 2021 answers and alternative to practical calculations have been detailed below. The West African Examination Council (WAEC) Physics Practical Alternative B paper will now be written on Friday 24th September 2021 from 9:30 am to 11:30 am for the first set and 12:00 am to 2:00 pm for the second set.
Candidates who are writing the WAEC Physics Practicals 2021 exam are to take note of the details below. As usual, we will be providing you with the Waec physics apparatus, materials, and calculations that are used for the West African Examination Council May/ June exam. Also referred to as waec physics practical specimen.
The Waec physics practical paper is usually divided into 3 questions (comprising of Mechanics, Waves, and Electricity) with a few other general knowledge calculations.
WAEC Physics Practical 2021 Apparatus & Answers.
QUESTION 1: Apparatus (a) Two meter rule
(b) Retort stand and clamp
(c) Thread ( about 250 cm long)
(d) Stopwatch/clock
(e) A weighing balance;
(f) Split cork.
a) Diagram
(xviii) State two precautions that are taken to obtain accurate results.
(b) (i) Distinguish between the period and frequency of oscillation of a simple pendulum.
(ii) Differentiate between oscillatory and rotational motions.
QUESTION 2:
Apparatus (1) Ray box with illuminated objects (cross wire)
(2) Convex lens(f = 15cm)
(3) Screen
(4) Metre rule.
(5) Lens Holder.
a) Diagram
The principal foci, P and Q, of a converging lens were determined. The image of an illuminated object O, placed at a distance, m, from P is obtained on a screen S placed at a distance n from Q as shown in the diagram above. The procedure is repeated for various values of m and the corresponding values of n were measured and recorded.
In figure 2 (a), POi represents the distance mi between P and the positions of the illuminated object Oi.
(i) Measure and record the values of m = POi using the given scale.
(ii) Measure and record the corresponding values of n = QSi using the given scale.
(iii) Evaluate n-1 in each case.
(iv) Tabulate your readings.
(v) Plot a graph with n-1 on the vertical axis and m on the horizontal axis.
(vi) Determine the slope, s, of the graph.
(vii) Evaluate k=1/<s
(viii) State two precautions that are necessary
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