Physics Alpha particle is the nucleus of an atom of Oxygen Lithium Hydrogen Helium Oxygen Lithium Hydrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Physics Coolis tube is used to produce Micro waves Radio waves Gama rays X-rays Micro waves Radio waves Gama rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics To measure the speed of an approaching car a police officer shines Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it Light waves on it Microwaves on it Ultra high frequency waves on it Radio waves on it ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Negative Charge Positive Charge Neutral Charge Variable Charge Negative Charge Positive Charge Neutral Charge Variable Charge ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fiber works on the principle of Scattering Refraction Interference Total internal reflection Scattering Refraction Interference Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics In SONAR which kind of wave is used? Audible sound Ultrasonic Radio Infrasonic Audible sound Ultrasonic Radio Infrasonic ANSWER DOWNLOAD EXAMIANS APP
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