2014
The quality of a note depends on its
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2014 WAEC SSCE Physics Past Questions
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2014
a ca travelling at 30m-1 overcomes a frictional resistance of 100N while moving. Calculate the power developed by the engine. [1 hp = 0.75 kW]
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2014
The mass of an empty density bottle is 30g. When filled with a liquid, the mass reduces to 38g. Calculate the apparent cubic expansivity of the liquid
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2014
A quantity of water at 20oC is mixed with another quantity of water at 70oC. The final steady temperature of the mixture is 40oC. Determine the ratio of the mass of the cold water to that of the hot water
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2014
A body of mass M kg rests on a plane inclined at an angle \(\theta\) to the horizontal. The component of the weight of the body parallel to the plane is
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2014
The diagram above illustrates an electromagnetic wave travelling with speed 3.0 x 108ms-1. Calculate the wave length of the wave
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2014
The functional difference between a lens and a mirror is that a lens
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2014
Which of the following relations about the focal length fo of the objective and focal length fe of the eye piece of a compound is correct?
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2014
Refraction of lights differs from reflection in that, in refraction i. at least two media are involved ii. there is a change in the direction of the ray iii. the speed of the ray changes. Which of the statements above…
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2014
A transverse wave can be distinguished from a longitudinal wave by
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2014
The region around a magnet in which magnetic force can be expressed is known as
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2014
An ammeter can be adapted to measure potential difference by using a
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2014
an observer hears an echo 1.26 seconds after blowing a whistle near a cliff. calculate the distance of the observer from the cliff. [speed of sound in air = 330ms-1]
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2014
A fish inside a pond appears to be at a depth of 1.5m when viewed vertically from above. The refractive index of the water in the pond is 1.3. Calculate the apparent displacement of the fish
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2014
A 15 \(\mu F\) capacitor is connected to a 240V, 50Hz ac. source. Calculate the reactance of the capacitance [\(\pi = 3.142\)]
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2014
An electric motor converts
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2014
Which of the following conditions occur at resonance in a series RLC circuit? i. Impedance equal resistance ii. Current is maximum iii. Reactance are maximum iv. Current and voltage are 90o out of phase
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2014
The energy stored in a simple cell is
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2014
In an ac circuit when the supply voltage frequency is equal to the resonant frequency, the current
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2014
The circuit above illustrates a standard resistor R, voltage source E and a lamp L connected in series. If the temperature of R is increased, the brightness of the lamp will
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