by Sunday | Aug 28 | Physics WAEC
A. The molecules of matter are always in motion B. When a body is heated the average kinetic energy of its molecules decreases C. Molecules of a liquid move more freely than those of a solid D. Matter is made up of very tiny particles called molecules E. The molecules...
by Sunday | Aug 28 | Physics WAEC
A cup containing 100g of pure water at 20°C is placed in a refrigerator. If the refrigerator extracts heat at a rate of 840J per minute, calculate the time taken for the water to freeze. Neglect the heat capacity of the material of the cup. (Specific heat capacity of...
by Sunday | Aug 28 | Physics WAEC
A. 37.5cm B. 22.5cm C. 15cm D. 7.5cm E. 3.3cm Correct Answer: Option A – 37.5cm
by Sunday | Aug 28 | Physics WAEC
A. 2.5cm³ B. 15.5cm³ C. 18.7cm³ D. 21.4cm³ E. 72.5cm³ Correct Answer: Option C – 18.7cm³
by Sunday | Aug 28 | Physics WAEC
A. 2.3×10¹J B. 2.3×10²J C. 2.3×10^4J D. 2.3×10^5J E. 3.3×10^7J Correct Answer: Option D – 2.3×10^5J Explanation ΔH=mL=0.1×2.3×10^6 =2.3×10^5J
by Sunday | Aug 28 | Physics WAEC
A. Diffracted B. Refracted C. Diffused D. Regularly reflected E. Plane polarized Correct Answer: Option E – Plane polarized
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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