Physics In a photocell light energy is converted into Potential energy Heat energy Electrical energy Chemical energy Potential energy Heat energy Electrical energy Chemical energy 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? C2>C1 C1pa = C2pg C1 = C2 C1>C2 C2>C1 C1pa = C2pg C1 = C2 C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction Dispersion of light Atmospheric reflection Total internal reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics In a nuclear reactor, one of the following is used as a fuel. Uranium Coal Radium Diesel Uranium Coal Radium Diesel ANSWER DOWNLOAD EXAMIANS APP
Physics Which alternative energy source is exhaustible? Tidal energy Geothermal energy Solar energy Wind energy Tidal energy Geothermal energy Solar energy Wind energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Mesosphere Exosphere Stratosphere Ionosphere Mesosphere Exosphere Stratosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP