by Sunday | Aug 28 | Physics WAEC
A piece of metal is heated until it becomes red-hot, it is then quickly transferred into a beaker containing boiling water. What effect will this have on the boiling water? A. the boiling water rises slightly B. the boiling point rises sharply C. the rate of...
by Sunday | Aug 28 | Physics WAEC
A waterfall is 1.260m high. Calculate the change in temperature of a quantity of water that falls from the top to the bottom of the waterfall. (Neglect heat losses to the surroundings, take g as 10m−² and specific heat capacity of water as 4200Jkg−¹K−¹) A. 0.3°C B....
by Sunday | Aug 28 | Physics WAEC
Dry oxygen is trapped by a pellet of mercury in a uniform capillary tube which is sealed at one end. The length of the column of oxygen at 27°C is 50cm. if the pressure of the oxygen is constant, at what temperature will the length be 60cm? A. 360.0°C B. 240.6°C C....
by Sunday | Aug 28 | Physics WAEC
A. evaporation B. radiation C. conduction D. convention E. condensation Correct Answer: Option B – radiation
by Sunday | Aug 28 | Physics WAEC
Air at temperature 527°C and pressure 30 atmospheres is admitted into the cylinder of an engine. Calculate the pressure of the gas when it has expanded to 5 times its volume and cooled to 127°C as it leaves the engine. A. 1.5 atmospheres B. 2.5 atmospheres C. 3.0...
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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