Physics In SONAR which kind of wave is used? Radio Infrasonic Ultrasonic Audible sound Radio Infrasonic Ultrasonic Audible sound ANSWER DOWNLOAD EXAMIANS APP
Physics Which sources produce alternating current (AC)? All of these Batteries Solar power plants Hydro-electric generators All of these Batteries Solar power plants Hydro-electric generators ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Galileo Johannes Kepler Martin Luther Copernicus Galileo Johannes Kepler Martin Luther ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve = Vp Ve > Vp Ve < Vp Cannot be determined Ve = Vp Ve > Vp Ve < Vp Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Physics . . . . . . . . . exerts a force on anything that has an electric charge. Electric field All of these Electrostatic force Inductive field Electric field All of these Electrostatic force Inductive field ANSWER DOWNLOAD EXAMIANS APP
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