Physics A transformer Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC Converts AC voltage to D.C. voltage Converts electrical energy into mechanical energy Is used to decrease or increase AC voltage Converts DC to AC ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics If an electron and a photon have the same wavelength, then they will have the same Energy Angular momentum Linear momentum Velocity Energy Angular momentum Linear momentum Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Mercury thermometers Gas thermometers Colour thermometers Pyrometers Mercury thermometers Gas thermometers Colour thermometers Pyrometers ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following waves is used for communication by artificial satellites ? M. Micro waves Frequency of 1016 series Radio waves M. Micro waves Frequency of 1016 series Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light will be minimum while passing through Water Air Glass Vaccum Water Air Glass Vaccum ANSWER DOWNLOAD EXAMIANS APP