Physics The commonly used coolant in refrigerators is Freon Nitrogen Ammonia Oxygen Freon Nitrogen Ammonia Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases Decreases No change First increases and than decreases Increases Decreases No change First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP
Physics At the Curie temperature, the ferromagnetic materials get converted into None of the others Diamagnetic materials Paramagnetic materials Non-magnetic materials None of the others Diamagnetic materials Paramagnetic materials Non-magnetic materials 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 C1pa = C2pg C1 = C2 C2>C1 C1>C2 C1pa = C2pg C1 = C2 C2>C1 ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Velocity Speed Distance Time Velocity Speed Distance Time ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue due to Mie scattering None of these Back scattering Rayleigh scattering Mie scattering None of these Back scattering Rayleigh scattering ANSWER DOWNLOAD EXAMIANS APP