Physics The waves used in sonography are Sound waves Ultrasonic waves Infra-red waves Micro waves Sound waves Ultrasonic waves Infra-red waves Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following animals can hear ultrasonic sound ? Rat Squirrel Cat Bat Rat Squirrel Cat Bat ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Fossil fuel Nuclear Energy Renewable Energy None of these Fossil fuel Nuclear Energy Renewable Energy None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Thermocouple Heliostats Photovoltaic cell Photodiode Thermocouple Heliostats Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for twinkling of stars ? Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection Dispersion of light Atmospheric reflection Atmospheric refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Is least bright Gives comfort to eye Undergoes least deviation Has lowest velocity Is least bright Gives comfort to eye Undergoes least deviation ANSWER DOWNLOAD EXAMIANS APP
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