by Sunday | Aug 28 | Physics WAEC
A. both the ebonite rod and the fur will be negatively charged B. the ebonite rod will be positively charged while the fur will have no charge C. there will be electron transfer only if the ebonite rod is earthed D. the ebonite rod will be negatively charged while the...
by Sunday | Aug 28 | Physics WAEC
A 90-W immersion heater is used to supply energy for five minutes. The energy supplied is used to completely melt 180g of a solid at its the melting point. Neglecting energy losses to the surroundings, calculate the specific latent heat of fusion of the solid A....
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
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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