2001
Electrons passing through crystals are diffracted because they
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2001 WAEC SSCE Physics Past Questions
2001
A nitrogen nucleus bombarded with an alpha particle produces an oxygen nucleus and a proton. The nuclear reaction for this process is \(^4_2H + ^{14}_2N \to ^{17}_{8}O + ^1_1H + Q\). Which of the following statements abo…
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2001
In the diagram above, three identical lamps each of 100 W are connected in parallel across a potential difference of 250 V. Calculate the reading of the ammeter.
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2001
Which of the following are transverse waves? I. Ripples on water II. Sound waves in air III. Light waves from the sun
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2001
The saturation vapour of a liquid depends on its
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2001
In the actual exam, a setup will be provided, where you'll use two resistance wires, a resistor, and other necessary apparatus to perform an experiment with a metre bridge. The steps include connecting the resistor and w…
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2001
In the actual exam, a setup will be provided that includes placing a pin inside a cylinder filled with water, adjusting the position of another pin to align with the refracted image, and measuring various distances. The…
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2001
In the actual exam, a setup will be provided, where you'll use a uniform meter rule, a knife-edge, two masses, and adhesive to perform a physics experiment on moments and equilibrium. The steps include fixing a mass at a…
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2001
(a) When nitrogen (atomic mass = 14, atomic number = 7) is bombarded with neutrons, the collisions result in disintegrations in which alpha particles are produced. Represent this transmutation in a symbolic equation.(b)(…
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2001
(a) Explain the statement the capacitance of a capacitor is 5\(\mu\)F.(b)(i) State the factors upon which the capacitance of a parallel plate capacitor depend.(ii) State how the capacitance depends on each of these facto…
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2001
(a)(i) What is an echo? (ii) State two useful applications of echoes.(iii) Why are the walls, floors and ceilings of a recording studio heavily padded?(b)(i) Explain timbre and overtones.(ii) What is resonance?(c) As a s…
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2001
(a) Define specific heat capacity.(b)(i) With the aid of a labelled diagram, describe an experiment to determine the specific heat capacity of copper using a copper ball.(ii) State two precautions necessary to obtain acc…
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2001
(a) In his first attempt, a long jumper took off from the springboard with a speed of 8 ms\(^{-1}\) at 30° to the horizontal. He makes a second attempt with the same speed at 45° to the horizontal. Given that the express…
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2001
(a) Distinguish between stress and strain as used in elasticity.(b) When a force of 40 N is applied to the free end of an elastic cord, an extension of 5cm is produced in the cord. Calculate the work done on the cord.
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2001
The above reprt the graph electron energy against the frequency of the radiation incident on a metal surface. lnterprete the;(i) slope of the graph;(ii) intercept, OC;(iii) intercept, OK.
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2001
(a) The mass and wavelength of a moving electron are 9.0 x 10\(^{-31}\) kg and 1.0 x 10\(^{-10}\)m respectively. Calculate the kinetic energy of the electron. [ h = 6.6 x 10\(^{-34}\) Js]
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2001
(a) State two properties of cathode rays.(b) Explain how the intensity and energy of cathode rays may be increased.
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2001
(a) Explain how a gas can be made to conduct electricity.(b) Name the electric charge carriers in gases.
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2001
(a) What is meant by 'a beam of polarised light?(b) With the aid of well labelled diagrams, illustrate the action in of a polaroid spectacle on a beam of sunlight.
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2001
The value of the e.m.f of a voltaic cell, which has dilute tetraoxosulphate (VI) acid as its electrolyte and copper and zinc as its electrodes becomes less with use. Explain this observation and state how it can be corre…
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