Answers Light travelling through a small pinhole usually does not make a shadow with a distinct… Light travelling through a small pinhole usually does not make a shadow with a distinct sharp edge because of A. diffraction B. inteference C. reflection D. refraction Correct Answer: Option A Explanation
Answers Efficiency of a transformer is equal to Efficiency of a transformer is equal to A. Efficiency of transformer = (secondary coil ÷ primary coil) ×… Read More
Answers Who among the following was dismissed from the Action Group at the Jos Congress of… Who among the following was dismissed from the Action Group at the Jos Congress of February, 1962? A.… Read More
Answers At the collapse of a business enterprises, the person appointed to dispose off the assets… At the collapse of a business enterprises, the person appointed to dispose off the assets is called ________?… Read More
Answers A finely divided from of a metal burns more readily in air than the rod… A finely divided from of a metal burns more readily in air than the rod from because the… Read More
Answers All the following are ways in which rivers are useful to man except the All the following are ways in which rivers are useful to man except the A. formation of political… Read More