Physics X–rays are Positively charged particles Neutral particles Negatively charged particles None of these Positively charged particles Neutral particles Negatively charged particles None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge? Ozone hole Asteroid belt White hole Black hole Ozone hole Asteroid belt White hole Black hole ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum distance (in metres) required to hear an echo? 13 17 10 21 13 17 10 21 ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates mechanical energy Creates electrical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves so that Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train Necessary centripetal force may be obtained from the horizontal component of the weight of the train Necessary centrifugal force may be obtained from the horizontal component of the weight of the train The train may not fall down inwards No frictional force may be produced between the tracks and the wheels of the train ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Earth's core contains a large amount of iron Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Earth's core contains a large amount of iron Granite and basalt conduct electricity Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core ANSWER DOWNLOAD EXAMIANS APP
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