Physics Natural radioactivity was discovered by Enrico Fermi Henri Becquerel Marie Curie Ernest Rutherfor Enrico Fermi Henri Becquerel Marie Curie Ernest Rutherfor ANSWER DOWNLOAD EXAMIANS APP
Physics The ordinary and maximum tolerance limit of sound by human being is 70 db to 85 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) 70 db to 85 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 50 db to 70 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? J.J Thomson James Chadwick Marie Curie W.C Roentgen J.J Thomson James Chadwick Marie Curie W.C Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following events occurred first ? Marconi first tranmitted a wireless signal Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Madame Marie Curie became the first woman Nobel Prize winner Marconi first tranmitted a wireless signal Max Planck unveiled the Quantum Theory Albert Einstein propounded the General Theory of Relativity Madame Marie Curie became the first woman Nobel Prize winner ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
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