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