Physics Ultrasound devices operate with minimum frequency from 20kHz 60 kHz 45 kHz 35 kHz 20kHz 60 kHz 45 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Bats can sense obstacles because they produce Micro sound waves Infrasonic sound waves Supersonic sound waves Ultrasonic sound waves Micro sound waves Infrasonic sound waves Supersonic sound waves Ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 50 J 150 J 75 J 100 J 50 J 150 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics These waves cannot be transmitted through vacuum. Electromagnetic Sound Heat Light Electromagnetic Sound Heat Light ANSWER DOWNLOAD EXAMIANS APP
Physics A body absorbs heat most if it is White and smooth White and rough Black and smooth Black and rough White and smooth White and rough Black and smooth Black and rough ANSWER DOWNLOAD EXAMIANS APP
Physics Even after sunset, the air near the Earth's surface continue to receive heat due to Conduction Terrestrial Radiation Convection Insolation Conduction Terrestrial Radiation Convection Insolation ANSWER DOWNLOAD EXAMIANS APP
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