Physics Ultrasound devices operate with minimum frequency from 60 kHz 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Among the following materials sound travels fastest in Vacuum Steel Air Water Vacuum Steel Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics An Electric generator is based on which of the following scientific principles? Super Conductivity Faraday's law of Electromagnetic Induction Laws of Thermodynamics Newton's Law of Motion Super Conductivity Faraday's law of Electromagnetic Induction Laws of Thermodynamics Newton's Law of Motion ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 365 days 30 days Changing continuously 24 hours 365 days 30 days Changing continuously 24 hours ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum velocity required for a rocket to overcome earth's gravity and travel into space? 21 km/sec 18 km/sec 11.2 km/sec 35 km/sec 21 km/sec 18 km/sec 11.2 km/sec 35 km/sec ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS