Physics Where are mesons found ? Gamma rays Cosmic rays Laser beam X-rays Gamma rays Cosmic rays Laser beam X-rays 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 Which of the following has the lowest frequency? Xrays Visible light Ultra violet rays Gamma rays Xrays Visible light Ultra violet rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Travel with the speed of light Can affect photographic plates Can be reflected or refracted Have low penetrating power Travel with the speed of light Can affect photographic plates Can be reflected or refracted 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