Physics Where are mesons found ? X-rays Cosmic rays Gamma rays Laser beam X-rays Cosmic rays Gamma rays Laser beam ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Ernest Rutherford Pierre Curie Marie Curie Wilhelm Rontgen Ernest Rutherford Pierre Curie Marie Curie Wilhelm Rontgen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Visible light Xrays Ultra violet rays Gamma rays Visible light Xrays Ultra violet rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power Can be reflected or refracted Travel with the speed of light Can affect photographic plates Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Neutral particles Positively charged particles Negatively charged particles None of these Neutral particles Positively charged particles Negatively charged particles None of these ANSWER DOWNLOAD EXAMIANS APP
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