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? None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 None K1k2/k1+k2 2k1k2/k1+k2 K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Increases Becomes Zero Remains constant Decreases Increases Becomes Zero Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. ANSWER DOWNLOAD EXAMIANS APP
Physics At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of Charle's Law Gay-Lussac's Law Avogadro's Law Boyle's Law Charle's Law Gay-Lussac's Law Avogadro's Law Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Grey Black White Blue Grey Black White Blue ANSWER DOWNLOAD EXAMIANS APP
Physics Number of lattices in the orthorhombic system is 7 8 5 4 7 8 5 4 ANSWER DOWNLOAD EXAMIANS APP