2013
(a) What is a polarizer?(b) With the aid of a diagram, explain how a polarizer can be used to polarize a beam of unpolarized light.
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2013 WAEC SSCE Physics Past Questions
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2013
A mass of 11.0 kg is suspended from a rigid support by an aluminum wire of length 2.0 m, diameter 2.0 mm and Young's modulus \(7.0 \times 10^{11}\,\text{Nm}^{-2}\). Determine the extension produced. [\(g = 10\,\text{ms}^…
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2013
In an electrolysis experiment, the ammeter records a steady current of 1 A. The mass of copper deposited in 30 minutes is 0.66 g. Calculate the error in the ammeter reading. [Electrochemical equivalent of copper = 0.0003…
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2013
The horizontal component of the initial speed of a particle projected at 30° to the horizontal is 50 ms\(^{-1}\). If the acceleration cf free fall due to gravity is 10ms\(^{-2}\), determine its: (a) initial speed; (b) sp…
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2013
A projectile is released with a speed u at an angle \(\theta\) to the horizontal. With the aid of a diagram, show that the time of flight is equal to \(\frac{2uSin\theta}{g}\), where g is the acceleration of free fall.
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