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