The diagram above illustrates trapped air in a syringe placed in water that is gradually heated. It is observed that the piston rises as the temperature of the water rises. Which of the following statements explains this observation?
A. frequency of collision of trapped air molecules with walls of the syringe is more B. molecules of trapped air expand more C. speed of the trapped air molecules decreases D. number of molecules of trapped air increases Correct Answer: Option B B. molecules of...The derived unit of pressure can be expressed as?
A. kgms‾² B. kgm‾¹s‾² C. kgm‾²s‾² D. kgm‾¹s² Correct Answer: Option B B. kgm‾¹s‾²An electric circuit is connected as illustrated above. Determine the equivalent e.m.f and current flowing through the circuit respectively, neglecting the internal resistance of the cells?
A. 2V, 1.0A B. 2V, 4.0A C. 6V, 0.3A D. 6V, 3.0A Correct Answer: Option A A. 2V, 1.0A Explanation Cells in V = voltage of the cell = 2V I = v/R = 2/3 = 1AThe diagram above illustrates a waveform. Which of the point on the waveform are in phase?
A. P and R B. R and T C. P and T D. Q and S Correct Answer: Option D D. Q and SThe outlet of a bicycle pump is used to inflate a football as illustrated in the diagram above. Why does the pressure of the air inside the pump increases as the pimp handle is slowly pushed downward at constant temperature?
A. momentum of the air molecules are increased B. volume occupied by the molecules is increased C. frequency of collision of the air molecules with the walls of the pump is increased D. more air molecules collide with one another in the system Correct Answer: Option C...Products
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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