Which of the following statement(s) is/are correct about a fixed mass of gas compressed in an inexpansiblecontainer;I. The average speed of themolecules increasesII. The temperature of the gas increasesIII. The molecules…
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2022
The joule is equivalent to?
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2022
The correct relationship between the displacement, s, of a particle initially at rest in a linear motion and the time, t, is?
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2022
Which of the illustrated graphs above represents a body moving with uniform retardation?
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2022
Suppose three identical steel balls Q, R, and S, are placed on an undulating ground as illustrated in the diagram above. Which of the balls is/are in neutral equilibrium?
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2022
The linear expansivity, \(\alpha\), and cubic expansivity, \(\gamma\), of a material are related by the equation?
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2022
The length of a simple pendulum is increased by a factor of four. By what factor is its period increase?
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2022
From the principle of flotation, a body sinks in a fluid until it displace a quantity equal to its own?
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2022
The area under a force-time graph represents--------
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2022
You are provided with a battery of e.m.f,E, a standard resistor, R, of resistance 2 \(\Omega\), a key, K, an ammeter, A, a jockey, J, a potentiometer, UV, and some connecting wires.(i) Measure and record the emf, E, of t…
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2022
You are provided with a loaded boiling tube with a centimeter scale fixed inside it, a transparent vessel filled with water, standard masses 2 g, 5g and 10 g, and a slide vernier caliper. Use the diagram above as a guide…
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2022
You are provided with a metre rule, a weight hanger, slotted masses, M, a piece (if string, a weighing balance and a knife edge. Use the diagram above as a guide to perform the experiment.(i) Using the weighing balance,…
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2022
(a)(i) What is meant by the term artificial radioactivity?(ii) Complete the table belowEmissionNatureChargeIonizing High speed electron Moderately ionizing NeutralNegligible ionizing abilityAlpha particles Positive (b)…
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2022
(a) State two factors that affect the rate of evaporation of a liquid.(b) Explain the term latent heal.(c) Explain each of the following phenomena:(i) On a dry day, water in a clay pot is cooler than water in a rubber co…
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2022
(a) State one condition each necessary for the characteristics each of the following occurrences:(i) Constructive interference of waves.(ii) Total internal reflection.(iii) Production of beats.(b) In a resonance tube exp…
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2022
(a)(i) State Coulomb's law of electrostatics.(ii) The electron and proton of a hydrogen atom are separated by a mean distance of 5.2 x 10\(^{-11}\)m.Calculate the magnitude of the electrostatic force between the particle…
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2022
(a)(i) State the law of inertia.(ii) Use the law stated in (a)(I) to explain how wearing a safety belt in a moving vehicle could reduce the possibilities of severe injuries when the vehicle is involved in a collision.(b)…
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2022
State three differences between magnetic and non-magnetic materials.
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2022
State:(a) The S.I. unit of the intensity of a blackbody radiation.(b) Two features of the intensity-wavelength graph of a perfect blackbody at different temperatures.