Physics In the remote control of television, electromagnetic waves used are Infrared Ultraviolet Microwave Radiowave Infrared Ultraviolet Microwave Radiowave ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 24 A 0.41666666666667 8.5 A 24 A 0.41666666666667 8.5 A ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Infrared Millimeter wave Radiowave Ultraviolet Infrared Millimeter wave Radiowave Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Vacuum Air Metal Water Vacuum Air Metal Water ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and resolve traffic jams in crowded metro-cities during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights Guide and resolve traffic jams in crowded metro-cities during nights Indicate to the incoming warships, the location of a harbour during night Guide and warn the ships coming from different directions in the ocean Guide and help large crowds at religious gathering during nights ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Increase Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP