1997
Which of the following is not true of the similarities between a camera and the human eye?
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1997 WAEC SSCE Physics Past Questions
1997
The invisible part of the spectrum of a white light consists of the following colors
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1997
An atom radiates 1.5 x \(10^{-19}\)J of energy when an electron jumps from one energy level to another. What is the wavelength of the emitted radiation? (Planck’s constant =6.6 x \(10^{-34}\)Js. Speed of light in air=3 x…
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1997
In a nuclear reaction, the mass defect is 2 x \(10^{-6}\)g. Calculate the energy released given that the velocity of light is 3 x \(10^{8}ms^{-1}\)
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1997
During the electrolysis of copper (II) tetraoxosulphate (VI) solution, an ammeter shows a steady reading of 1A for 30minutes while 6.6 x \(10^{-4}\)kg of copper is liberated. Calculate the error in the ammeter The elect…
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1997
A charge of 1 x \(10^{-5}\)C experiences a force of 40N at a certain point in space. What is the magnitude of the electric field intensity at the point in Newton and couloumb
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1997
(a) Briefly explain what would happen to a stable element if it is bombarded by \(\alpha\)-particles(b) Explain how the bombardment of Uranium with neutrons could lead to nuclear fission chain reaction and hence nuclear…
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1997
(a) Sketch the form of the magnetic flux pattern due to a current flowing(i) in a long solenoid(ii) through two long straight parallel wires when the directions of the current are opposite. (Neglect the earth's magnetic…
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1997
(a) Explain the term resonance and give two examples(b)(i) Describe, with the aid of a labelled diagram, an experiment to show how the frequency of the note emitted by a vibrating string depends on the length of the stri…
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1997
(a) Explain the term work(b) Draw a diagram of a pulley system with a velocity ratio of 5.(c) A man pulls up a box of mass 70kg using an inclined plane of effective length 5m onto a platform 2.5m high at uniform speed. I…
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