The relative density of a liquid is the ratio of the?
A. Mass of water to the mass of an equal volume of liquid B. Upthrust in the liquid to the upthrust in water C. Density of water to the density of the liquid D. Upthrust in water to the upthrust in the liquid Correct Answer: Option B – Upthrust in the liquid to...
Calculate the temperature of 6 moles of an ideal gas at a pressure of 7.6 x 106Nm−² with a volume of 10−³m³. [R = 8.3jmol−¹K−¹]
A. 201°C B. 126°C C. 153°C D. 185°C Correct Answer: Option C Explanation T = PV/nR = 7.6×10^6 x 10−³ / 6 x 8.3 = 153°C
Which of the following waves is both transverse and mechanical?
A. Water waves B. Radio waves C. Sound waves D. X-rays Correct Answer: Option A – Water waves
A train with an initial velocity of 20m/s¹ is subjected to a uniform deceleration of 2ms−². The time required to bring the train to a complete halt is?
A. 40s B. 10s C. 20s D. 5s Correct Answer: Option B – 10s Explanation t = v−u/a = 20−0/2 = 10s
Which of the following electromagnetic waves has the shortest wavelength?
A. Visible Light B. Ultraviolet rays C. Infrared rays D. Gamma rays Correct Answer: Option D – Gamma raysProducts
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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