Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It is highly electropositive It is very small in size It has only one electron Its energy levels are very close to each other It is highly electropositive It is very small in size It has only one electron ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Red light Cosmic rays Ultra violet Infra red Red light Cosmic rays Ultra violet Infra red ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centripetal force Weight Gravity Centrifugal force Centripetal force Weight Gravity Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid Shifted downwards Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid Shifted downwards ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? Niels Bohr V Raman S Chandra Shekhar Edwin Hubble Niels Bohr V Raman S Chandra Shekhar Edwin Hubble ANSWER DOWNLOAD EXAMIANS APP
Physics In uniform circular motion, the linear velocity is perpendicular to Momentum Radius vector Force Radius Momentum Radius vector Force Radius ANSWER DOWNLOAD EXAMIANS APP
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