Physics Stars twinkle because the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Domestic lighting Cinema projectors Photography Vehicles Domestic lighting Cinema projectors Photography Vehicles ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of momentum Conservation of angular momentum Conservation of energy Conservation of mass Conservation of momentum Conservation of angular momentum Conservation of energy Conservation of mass ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Filament Cells Circuit Element Filament Cells Circuit Element ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are substances which offer no resistance to the flow of electricity conduct electricity at low temperature offer high resistance to the flow of current conduct electricity at high temperatures offer no resistance to the flow of electricity conduct electricity at low temperature offer high resistance to the flow of current conduct electricity at high temperatures ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Joule Coulomb Newton Ohm Joule Coulomb Newton Ohm ANSWER DOWNLOAD EXAMIANS APP