Physics Which, of the following radiations has the least wavelength ? X-rays B-rays G-rays A-rays X-rays B-rays G-rays A-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Change in momentum Outward pull on him Change in acceleration Inertia of motion Change in momentum Outward pull on him Change in acceleration Inertia of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Speed regulation of synchronous motor is 0.005 0.25 0.01 Zero 0.005 0.25 0.01 Zero ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg 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 None of these Increasing the height of water in the vessel Decreasing the radius of the capillary tube Increasing the radius of the capillary tube None of these Increasing the height of water in the vessel Decreasing the radius of the capillary tube Increasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
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