Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors ANSWER DOWNLOAD EXAMIANS APP
Physics What measures Air pressure? Bolometer Barkometer Spectrometer Barometer Bolometer Barkometer Spectrometer Barometer ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Greater than the weight of the man Same as the weight of the man Less than the weight of the man Zero Greater than the weight of the man Same as the weight of the man Less than the weight of the man Zero ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen Candela Lumen second Lux Lumen Candela Lumen second Lux ANSWER DOWNLOAD EXAMIANS APP
Physics A body falling through a liquid acquires a steady velocity is known as Steady state velocity Terminal velocity End velocity Touch down velocity Steady state velocity Terminal velocity End velocity Touch down velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following scientific discoveries was made by C.V. Raman? Inelastic scattering of light by molecules Controlled nuclear fission Super Conductivity Cyclotron Inelastic scattering of light by molecules Controlled nuclear fission Super Conductivity Cyclotron ANSWER DOWNLOAD EXAMIANS APP