Physics Stars twinkle because None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. None of these the refractive index of the different layers of the earth's atmosphere ch the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Infrasonic Subsonic Ultrasonic Audible Infrasonic Subsonic Ultrasonic Audible ANSWER DOWNLOAD EXAMIANS APP
Physics For Gamma radiation, what stops its penetrating abilities? Steal Concrete All of these Lead Steal Concrete All of these Lead ANSWER DOWNLOAD EXAMIANS APP
Physics Sound following a flash of lightning is called Thunder Cloud clash Bolting Stoning Thunder Cloud clash Bolting Stoning ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Pierre Curie Ernest Rutherford Marie Curie Wilhelm Rontgen Pierre Curie Ernest Rutherford Marie Curie Wilhelm Rontgen ANSWER DOWNLOAD EXAMIANS APP
Physics The commonly used coolant in refrigerators is Nitrogen Freon Ammonia Oxygen Nitrogen Freon Ammonia Oxygen ANSWER DOWNLOAD EXAMIANS APP