2020
The material used to slow down the neutrons in a nuclear reactor is
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2020 WAEC SSCE Physics Past Questions
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2020
The depolarisingagentin a Leclanche cell is?
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2020
Which of the following waves requires a material medium for its propagation?
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2020
The average distance moved by a molecule between collisions is called
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2020
Which of the following machinesdoes not apply the lever principle?
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2020
How would the capacitance of a parallel plate capacitor be affected if the distance of separation of its plates is decreased? It will
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2020
An image formed on a screen isalways?
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2020
The volume of a fixed mass of a gas varies inversely as the pressure on it provided the temperature is constant. This statement is
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2020
The quantity of motion of a body is its
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2020
In collision between two objects, kinetic energy is conserved only if
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2020
In the actual exam, a setup will be provided, consisting of a resistance box R, voltmeter, key, cell of e.m.f. E, constantan wire, standard resistor RX, an ammeter, and other necessary apparatus. The experiment involves…
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2020
You are provided with a glass block, plane mirror, and optical pins.(i) Place the glass block on a drawing sheet and trace its outline ABCD as shown in the diagram above.(ii) Remove the block, measure and record the widt…
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2020
In the actual exam, a setup will be provided, where you'll use a meter rule, a knife-edge, a set of masses, an inextensible string, a retort stand, and other necessary apparatus to perform a physics experiment on moments…
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2020
(a) Define isotopes.(b) Mention two uses of radioactive tracers in each of the following areas:(\(\alpha\)) medicine(\(\beta\)) industry(\(\gamma\)) agriculture.(c) State three features of electromagnetic waves.(d)(i) Me…
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2020
(a) In an experiment to measure the specific latent heat of vapourisation of water, a student places a heater in a beaker containing water. The beaker stands on an electronic balance so that the mass of the beaker and wa…
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2020
(a) (i) Define Optical angle.(ii) Explain two conditions necessary for total internal reflection to occur. (iii) List three practical applications of total internal reflection.(b) State two effects of refraction. (c)(i)…
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2020
(a)Explain resonance frequency as applied in RLC series Circuit.(ii) Sketch a diagram to illustrate the variation of frequency, f, with the resistance, R, the capacitive reactance, X\(_C\) and the inductive reactance X\(…
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2020
(a)(i) Define torque.(ii) State three factors that determine a torque(b)(i) Define free fall.(ii) A body is thrown vertically upwards from the top of a tower 40.0m high with a velocity of 10.0ms\(^{-1}\). Calculate the t…
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2020
State three properties of lasers that make them preferable to ordinary light beam.
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2020
A bullet is fired from a gun at 30\(^o\) to the horizontal. The bullet remains in flight for 25s before touching the ground. Calculating the velocity of projection. [g = 10ms\(^{-2}\)]
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