2015
Which of the following statements is correct? When capacitors of different values are connected in series
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2015 WAEC SSCE Physics Past Questions
2015
in a nuclear fission process, the mass defect was 1.2 x 10-5kg. Calculate the energy released. [speed of the light in vacuum = c = 3.0 x 108ms-1]
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2015
What must be connected between the points P and Q to establish a steady current through the incomplete circuit diagram given?
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2015
The angle which the direction of the earth magnetic field makes with the horizontal at a palace is know as.
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2015
The mass of the earth is 6.0 x 1024kg and that of the moon is 7.0 x 1022kg. If the distance between them is 4.0 x 108m, calculate the force of attraction between them. [G = 6.7 x 10-11Nm2kg-2]
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2015
\(^{226}_{88}Ra\) emits two alpha particles to produce polonium(po) nuclide. The correct formula for the nuclide?
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2015
Which of the following radiations constitutes a stream of electrons?
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2015
Which of the following statements about diode is correct?
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2015
Two angles of a pentagon are in the ratio 2:3. The others are 60o each. Calculate the smaller of the two angles
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2015
In the actual exam, a setup will be provided that illustrates an electrical circuit. This circuit includes a resistance box, a voltmeter, a key (switch), and a battery, all connected in a specific arrangement. The resist…
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2015
In the actual exam, a setup will be provided, including a triangular glass prism, four optical pins, and other necessary materials. The experiment involves placing the prism on a drawing paper and tracing its outline UMN…
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2015
You are provided with a retort stand, boss head, clamp, stopwatch, slotted weights, hanger, grooved pulley, thread, measuring tape, and other necessary materials.i. Measure and record the radius R of the pulley.ii. Setup…
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2015
(a) Define nucleon number(b) A radioactive isotope of Americium (Am 241) decays into a nucleus of Neptunium (Np 237) and an alpha (\(\alpha\)) particle as shown in the nuclear equation below. \(^{241}_{95}Am\) \(\to\) \(…
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2015
(a) Define:(i) the coulomb; (ii) resistance.(b) State the three effects of an electric current.(c) State the standard international colour convention for the insulating material covering the following electrical wires in…
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2015
(a)(i) what is resonance?(ii) State two examples of resonance.(iii) Differentiate between loudness and intensity of sound.(b) When a ray is refracted through a rectangular glass prism, which of the following properties o…
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2015
(a) Define specific latent heat of vaporization.(b) (i) What are renewable energy sources?(ii) List four renewable energy sources.(c) Explain why tomatoes keep longer when kept in a moist jute bag in a clay pot.(d) A box…
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2015
(a) (i) Define uniform acceleration.(ii) Write an equation that relates linear velocity, angular velocity and radius of path in circular motion.(b) Two forces 30 N and 40 N act at right angles to each other. Determine by…
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2015
(a) Write the de Broglie equation.(b) Explain the significance of the equation.
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2015
The circuit above consists of an a. c. voltage input, a diode, a resistor and a voltmeter.(a) Identify the circuit.(b) Draw the waveform for the output voltage.
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2015
(a) What is doping in a semi conductor?(b) Draw the symbol for OR gate.
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