2013
A coil of inductance 0.12 H and resistance 4\(\Omega\), is connected across a 240V, 50Hz supply. Calculate the current through it. [\(\pi\) = 3.142]
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2013 WAEC SSCE Physics Past Questions
2013
The diagram above illustrates a waveform. Which of the point on the waveform are in phase?
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2013
The outlet of a bicycle pump is used to inflate a football as illustrated in the diagram above. Why does the pressure of the air inside the pump increases as the pimp handle is slowly pushed downward at constant temperat…
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2013
Four co-planar forces of magnitudes 10N, 17N, 6N and 20N act at point O as shown in the above diagram. Determine the magnitude of the resultant force
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2013
A block of wood of mass 5kg is pulled on a platform by a force of 40N as illustrated in the diagram above. If the frictional force, F experienced by the block is 12N, calculate the magnitude of the acceleration of the ac…
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2013
Which of the following phenomena supports the theory that waves have a particle nature?
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2013
An electric circuit is connected as illustrated above. Determine the equivalent e.m.f and current flowing through the circuit respectively, neglecting the internal resistance of the cells
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2013
In the actual exam, a setup will be provided, depicting an experiment to measure the relationship between current and the length of a constantan wire in an electrical circuit. The setup includes a constantan wire, a 2 Ω…
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2013
In the actual exam, a setup will be provided, illustrating an experiment on the refraction of light through a prism. This setup would include a rectangular glass prism placed on a sheet of paper, with its outline, labele…
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2013
In the actual exam, a setup will be provided, including a uniform meter rule, a knife edge, a graduated measuring cylinder, masses, and other necessary apparatus. The experiment involves balancing the meter rule horizont…
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2013
Name the three basic components P, Q and R that make up a cathode ray tube, as illustrated in the diagram above
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2013
(a) Define boiling point of a liquid.(b) Describe how water in a round bottom flask could be made to boil without heating it. [diagram not necessary](c) State three applications of expansion of metals.(d) A room with flo…
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2013
(a) Define ionization potential.(b)(i) State the three types of emission spectra.(ii) Name one source each which produces each of the spectra stated in (b)(i).(c) In an x-ray tube, electrons are accelerated the target by…
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2013
(a) Explain briefly the purpose of earthing electrical appliance.(b) Why does the light frorr bulb connected to a simple cell dim and eventually goes off after a while?(c) A coil of incidence 0.007 H, a resistor of resis…
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2013
(a) On which day would sound wave travel faster: on a hot or cold day? Explain.(b) Why are megaphones shaped like funnels?(c) A ray of light is incident on a surface of a ectangular glass prism of refractive index 1.5 il…
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2013
(a) State the triangle law of vector addition.(b) Name the four physical quantities that are associated with the equationq of linear motion.(c) Using the same set of axes, sketch and label two graphs to illustrate the va…
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2013
(a) what is Brownian motion?(b) State the two inferences that can be drawn from Brownian motion experiment.
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2013
Write down the name of:(a) two particles used in explaining the wave nature of matter;(b) one device whose invention is based on the wave nature of matter.
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2013
The accelerating potential in a cathode ray oscilloscope is 2.5 kV. Calculate the maximum speed of the accelerated electrons. [ e = 1.6 x 10\(^{-19}\) C; Me = 9.1 x 10\(^{-31}\) kg]
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2013
Name one use of 'LASER' in each of the following areas:(a) communication;(b) medicine;(c) security
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