by Sunday | Aug 27 | Physics WAEC
A. 1,050W B. 16,800W C. 18,060W D. 20,160W Correct Answer: Option A – 1,050W
by Sunday | Aug 27 | Physics WAEC
A. The rate of evaporation of a liquid varies with temperature B. The molecules of an evaporating liquid have an average speed C. Evaporation occurs when faster molecules escape from the surface of a liquid D. Evaporation takes place inside a liquid. Correct Answer:...
by Sunday | Aug 27 | Physics WAEC
Calculate the heat energy required to change 0.1kg of ice at 0°C to water boiling at 100°C. (Specific heat capacity of water = 4200 J kg-1K-1) (Specific latent heat of fusion of ice = 336,000 J kg-1) A. 75,600J B. 336,000J C. 340,200J D. 378,000J. Correct Answer:...
by Sunday | Aug 27 | Physics WAEC
A. A sea breeze is due to convection in air B. Cotton materials are better than woolen ones for use in hot weather C. Convectional currents play an important role in the cooling of the engine of a motor car D. The vacuum space in a flask helps to reduce heat loss by...
by Sunday | Aug 27 | Physics WAEC
A. required to raise the temperature of a unit mass of the substance by one degree. B. required to raise the temperature of the substance by one degree C. absorbed by the substance at constant temperature D. lost by a unit mass of the substance. Correct Answer: Option...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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