Physics These waves cannot be transmitted through vacuum. Light Sound Heat Electromagnetic Light Sound Heat Electromagnetic ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Micro waves Infra-red waves Ultrasonic waves Sound waves Micro waves Infra-red waves Ultrasonic waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to convert solar energy into electricity is Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell Electrochemical cell Photovoltaic cell Daniell cell Galvanic cell ANSWER DOWNLOAD EXAMIANS APP
Physics Quality of transmission depends upon Neither A nor B Nature of medium only Both (A) and (B) Nature of signal only Neither A nor B Nature of medium only Both (A) and (B) Nature of signal only ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Infrasonic Radio Ultrasonic Audible sound Infrasonic Radio Ultrasonic Audible sound ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS