Physics Which of the following has the highest frequency? Radio waves X-rays Cosmic rays Microwaves Radio waves X-rays Cosmic rays Microwaves 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? C1pa = C2pg C1>C2 C2>C1 C1 = C2 C1pa = C2pg C1>C2 C2>C1 C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Electrical energy Light energy Heat energy Mechanical energy Electrical energy Light energy Heat energy Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Hydrogen fuel All of these Wind energy Solar energy Hydrogen fuel All of these Wind energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 37 48 32 37 48 32 ANSWER DOWNLOAD EXAMIANS APP