Physics Energy is continuously created in the sun due to: Nuclear fusion Radioactivity Artificial radioactivity Nuclear fission Nuclear fusion Radioactivity Artificial radioactivity Nuclear fission ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Blue Black Grey White Blue Black Grey White ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity "Inductance"? Weber Henry Tesla Farad Weber Henry Tesla Farad ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Decreasing the radius of the capillary tube None of these Increasing the height of water in the vessel Increasing the radius of the capillary tube Decreasing the radius of the capillary tube None of these Increasing the height of water in the vessel Increasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity The base has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The collector has the least concentration of impurity The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays It absorbs sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It reflects sun's rays It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP