Physics After removing two electrons from helium atom it become? UV rays X rays Alpha particle Gama particle UV rays X rays Alpha particle Gama particle ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics The mercury and sodium street lamps light up because of : Atomic absorption Atomic emission Electron absorption Electron emission Atomic absorption Atomic emission Electron absorption Electron emission ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 9 trillion miles 6 trillion miles 8 trillion miles 2 trillion miles 9 trillion miles 6 trillion miles 8 trillion miles 2 trillion miles ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of ships spacecraft aircraft sound ships spacecraft aircraft sound ANSWER DOWNLOAD EXAMIANS APP
Physics A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank? The liquid surface falls down only at the center of the tank The liquid surface falls down on the direction of motion and rises up on the back side of the tank None The surface of the liquid remains horizontal The liquid surface falls down only at the center of the tank The liquid surface falls down on the direction of motion and rises up on the back side of the tank None The surface of the liquid remains horizontal ANSWER DOWNLOAD EXAMIANS APP