Physics Metals are good conductors of electricity because: They have high melting point. All of these They contain free electrons. The atoms are lightly packed. They have high melting point. All of these They contain free electrons. The atoms are lightly packed. ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None K1+k2/k1k2 2k1k2/k1+k2 K1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted downwards Shifed neither upward nor downward Shifted upwards Shifted upward or downward depending on the density of the liquid Shifted downwards Shifed neither upward nor downward Shifted upwards Shifted upward or downward depending on the density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following scientific discoveries was made by C.V. Raman? Cyclotron Super Conductivity Controlled nuclear fission Inelastic scattering of light by molecules Cyclotron Super Conductivity Controlled nuclear fission Inelastic scattering of light by molecules ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in electric heater is Brass Tungsten Nichrome Steel Brass Tungsten Nichrome Steel ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Superconductor Semi conductor Conductor Insulator Superconductor Semi conductor Conductor Insulator ANSWER DOWNLOAD EXAMIANS APP