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 The Hooke's law is valid for Only proportional region of the stress strain curve Entire elastic region of the stress strain curve Elastic as well as plastic region of the stress strain curve Entire stress strain curve Only proportional region of the stress strain curve Entire elastic region of the stress strain curve Elastic as well as plastic region of the stress strain curve Entire stress strain curve ANSWER DOWNLOAD EXAMIANS APP
Physics The phenomenon of light associated with the appearance of blue colour of the sky is Scattering Reflection Refraction Interference Scattering Reflection Refraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of noise pollution (level) is : Decibel Ppm Decimal None of these Decibel Ppm Decimal None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 11 Km/Sec. 6 Km/Sec. 15 Km/Sec. 5 Km/Sec. 11 Km/Sec. 6 Km/Sec. 15 Km/Sec. 5 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion Expands It expands or contracts according to its diameter Contracts It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP