Physics The speed of light in air is Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s Infinity 3 × 10–8 m/s 8 × 103 m/s 3 × 108 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Consider the following statements :1. There is no net moment on a body which is in equilibrium.2. The momentum of a body is always conserved.3. The kinetic energy of an object is always conserved.Which of the statements given above is/are correct? 2 and 3 only 1 and 2 only 1 only 1, 2 and 3 2 and 3 only 1 and 2 only 1 only 1, 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following industries is mica as a raw material? Iron and Steel Electrical Glass and Pottery Cement Iron and Steel Electrical Glass and Pottery Cement ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Light rays Sound waves Magnetic field Heat waves Light rays Sound waves Magnetic field Heat waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to: The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss The heating effect of current alone Hysteresis loss alone Intense sunlight at noon Both the heating effect of current and hysteresis loss ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS