Physics Where are mesons found ? Gamma rays Laser beam Cosmic rays X-rays Gamma rays Laser beam Cosmic rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Who discovered X-ray Wilhelm Rontgen Marie Curie Ernest Rutherford Pierre Curie Wilhelm Rontgen Marie Curie Ernest Rutherford 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 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 Travel with the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics X–rays are Positively charged particles None of these Neutral particles Negatively charged particles Positively charged particles None of these Neutral particles Negatively charged particles ANSWER DOWNLOAD EXAMIANS APP
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