2009
In which of the following is a stationary wave produced? i. A vibrating turning fork held near the end of a resonance tube closed at one end. ii. A string tightly stretched between two points and plucked at its middle.…
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2009 WAEC SSCE Physics Past Questions
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2009
A cell of e.m.f. 1.5v is connected in series with a resistor of 3\(\Omega\). A high resistance voltmeter connected across the cell registers only 0.9v. Calculate the internal resistance of the cell.
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2009
In the wave equation y = Eo, sin(299t - \(\pi\)), Eo represents the
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2009
Which of the following physical quantities are derived? i. Area ii. Thrust iii. Pressure iv. Mass
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2009
It takes 4 minutes to boil a quantity of water electrically. How long will it take to boil same quantity of water using the same heating coil but with the current doubled? (neglecting any external heat loss).
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2009
Which of the following properties of a steel bar can be measured in terms of the dimension of length only?
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2009
Which of the following instruments is used to measure relative humidity?
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2009
In which of the following states of matter do the molecules vibrate about their mean positions?
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2009
A moving body accelerates when it
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2009
Which of the following types of types of motion will be produced when a pair of equal and opposite non-collinear parallel forces acts on a body?
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2009
A body of volume 0.046m3 is immersed in a liquid of density 980kgm-3 with \(\frac{3}{4}\) of its volume submerged. Calculate the upthrust on the body. [g = 10ms-2]
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2009
In a hydraulic press, a force of 40N is applied to the smaller priston of area 10cm2. If the area of the larger piston is 200cm2, calculate the force obtained
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2009
Electric energy is measured in
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2009
A body of mass 5kg moving with a velocity of 30ms-1 due east is suddenly hit by another body and changes its velocity to 50ms-1 in the same direction. Calculate the magnitude of the impulse received.
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2009
The period of a simple pendulum of length 80.0cm was found to have doubled when the length of the pendulum was increased by X. Calculate X.
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2009
Two forces 6N and 8N, act eastwards and northwards respectively on a body. Calculate the magnitude of their equilibrant
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2009
as a bicycle Tyre was being pumped up, it was noticed that contrary to Boyle's law the volume increased as the pressure increased. The best explanation of this is that Boyle's law is only true for
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2009
A rod of initial lenght 2m at a temperature of 25oC is heated to 80oC. Calculate the increase in length of the rod if its linear expansivity is 4.0 x 10-3K-1
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2009
A faulty thermometer registers 102.5oC t 100oC. If the thermometer has no zero hour, what will it register at 55oC?
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2009
A machine of efficiency 80% is used to lift a box. If the effort applied by the machine is twice the weight of the box. Calculate the velocity ratio of the machine
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