Physics Which among the following waves is used for communication by artificial satellites ? Radio waves Frequency of 1016 series M. Micro waves Radio waves Frequency of 1016 series M. Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Antimony Phosphorus Germanium Boron Antimony Phosphorus Germanium Boron ANSWER DOWNLOAD EXAMIANS APP
Physics Fog is an example of Gas dispersed in gas Solid dispersed in gas Liquid dispersed in gas Solid dispersed in liquid Gas dispersed in gas Solid dispersed in gas Liquid dispersed in gas Solid dispersed in liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Which color deviates least when passing through a Prism Green Red Yellow Blue Green Red Yellow Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide some sunlight in the room These provide cross ventilation in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide some sunlight in the room These provide cross ventilation in the room ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 15 cm 10 cm 20 cm 5 cm 15 cm 10 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP