Physics If a copper wire is increased to double its length, its resistance will become Double One–fourth Half Four times Double One–fourth Half Four times ANSWER DOWNLOAD EXAMIANS APP
Physics In the case of bodies falling under gravity which of the following remains constant at a given place? Potential energy Acceleration Kinetic energy All listed here Potential energy Acceleration Kinetic energy All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It is smaller than the earth It rotates at the same speed as the earth around the sun It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth It rotates at the same speed as the earth around the sun It takes equal time for revolution around the earth and rotation on its own axis It revolves on its axis in adirection opposite to that ofthe earth ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the scattering interference principle of refraction total internal reflection scattering interference principle of refraction total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? V Raman Edwin Hubble Niels Bohr S Chandra Shekhar V Raman Edwin Hubble Niels Bohr S Chandra Shekhar ANSWER DOWNLOAD EXAMIANS APP
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