Physics The commonly used coolant in refrigerators is Ammonia Freon Nitrogen Oxygen Ammonia Freon Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics A doppler effect occurs when a source of sound moves Both A & B None of these Away from you Towards you Both A & B None of these Away from you Towards you ANSWER DOWNLOAD EXAMIANS APP
Physics The colours of stars depend on their Temperature Radius Distance Atmospheric pressure Temperature Radius Distance Atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less density than dry air. Less pressure than dry air. More pressure than dry air. More density than dry air. Less density than dry air. Less pressure than dry air. More pressure than dry air. More density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Temperature of air Pressure of air Humidity of air Density of air Temperature of air Pressure of air Humidity of air Density of air ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Infra-red waves Micro waves Ultrasonic waves Sound waves Infra-red waves Micro waves Ultrasonic waves Sound waves ANSWER DOWNLOAD EXAMIANS APP
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