Physics Which of the following instruments is used to measure humidity ? Sling Psychrometer Kata Thermometer Clinical Thermometer Anemometer Sling Psychrometer Kata Thermometer Clinical Thermometer Anemometer ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Photovoltaic cell Thermocouple Photodiode Heliostats Photovoltaic cell Thermocouple Photodiode Heliostats ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic emission Atomic absorption Electron absorption Electron emission Atomic emission Atomic absorption Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train necessary centrifugal force may be obtained from the horizontal component weight of the train to avoid frictional force between the tracks and wheels the train may not fly off in the opposite direction necessary centripetal force may be obtained from the horizontal component of the weight of the train ANSWER DOWNLOAD EXAMIANS APP
Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective Decreasing the focal length of the eyepiece None of these Increasing the focal length of the eyepiece Increasing the focal length of the objective Decreasing the focal length of the eyepiece None of these Increasing the focal length of the eyepiece ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS