Physics Water boils at a lower temperature on the hills because There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills There is less oxygen It is cold on the hills There is less carbon dioxide on the hills There is a decrease in air pressure on the hills ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Regulator Switch Amplifier Rectifier Regulator Switch Amplifier Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure of a fluid varies with depth h as P = PQ+pgh, where p is the fluid density. This expression is associated with Archimedes' principle Newton's law Pascal's law Bernoulli's principle Archimedes' principle Newton's law Pascal's law Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Polarisation Reflection Diffraction Refraction Polarisation Reflection Diffraction Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics RADAR is used for: detecting and locating the position of objects such as Aeroplanes. receiving a signals in a radio receiver. locating submerged submarines. locating geostationary satellites. detecting and locating the position of objects such as Aeroplanes. receiving a signals in a radio receiver. locating submerged submarines. locating geostationary satellites. ANSWER DOWNLOAD EXAMIANS APP
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
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