2008
Which of the following is a unit of the time rate of flow of electric charges?
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2008 WAEC SSCE Physics Past Questions
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2008
When a radioactive substance undergoes a beta decay, its
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2008
A direct current of 5A flow through a 0.2H inductor. Calculate the energy stored in the inductor
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2008
A transformer is required to supply 12 Vrms to operate a toy train set from a 240 Vrms. If the number of turns in the in the secondary coil is 100, calculate the number of turns required in the primary coil
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2008
Fleming's right hand rule is also called the
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2008
Control in nuclear reactors is effected with boron rods because the rods have the ability to
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2008
The diagram above shoes three forces F1, F2 and F3, which of the following equations is correct?
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2008
In the actual exam, a setup will be provided, where you'll use two resistance wires, a standard resistor, and other apparatus to perform an experiment using a metre bridge. The steps include connecting the resistor and w…
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2008
In the actual exam, a setup will be provided, where you will use a metre rule fixed on a bench with its graduated side facing up. An illuminated object is placed at the 0 cm end of the rule, and a screen at the 100 cm en…
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2008
In the actual exam, a setup will be provided, including a uniform meter rule, a knife edge, masses, and other necessary apparatus. The experiment involves suspending the meter rule horizontally on the knife edge, suspend…
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2008
(a)(i) State Einstein's equation of photoelectric effect(ii) What conservation principle does the equation represent?(b) List three applications of photocells(c) A photo emissive surface has a threshold frequency of 4.02…
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2008
(a) What is a magnetic field?(b) With the aid of a labelled diagram describe an experiment to show that a magnetic field exists around a straight wire carrying current.(c) A 40 \(\mu\)F capacitor in series with a 40 Q re…
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2008
(a) The equation y = \(\alpha\) sin (wt - kx) represents a plane wave travelling in a medium along the x-direction, being the displacement at the point x at time t.(i) Given that x is in metres and t is in seconds, state…
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2008
(a) State two differences between boiling and evaporation.(b) A closed inexpansibie vessel contains air saturated with water vapour at 77°C. The total pressure in the vessel is 1007 mmHg. Calculate the new pressure in th…
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2008
(a) A particle moves on a straight path with an initial speed u and final speed v in time t. Show that the total distance X covered by the particle is given by\(x = ut + \frac{1}{2}at^2\)where a is the magnitude of accel…
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2008
(a) State Heisenberg's Uncertainty Principle.(b) State one phenomenon that can only be explained in terms of the wave nature of light.
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2008
(a) Define electrolysis.(b) Classify each of the following substances as an electrolyte or a non-electrolyte(i) sugar solution;(ii) kerosene;(iii) alkaline solution(iv) lemon fruit juice.
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2008
a) On what principle does lighting in a fluorescent tube operate?(b) State two factors which determine the colour of light produced in a fluorescent tube.
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2008
An electron of charge 1.60 x 10\(^{-19}\)C is accelerated under a potential difference of 1.0 x 10\(^{5}\) V. Calculate the energy of the electron in joules.
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2008
Use the diagram to answer question;Camphor is a chemical that sub-limes and interacts with water reducing the surface tension where it is put. Explain why the toy boat illustrated above would move forward with the campho…
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