Physics Which one of the following statements with regard to Jet stream, an upper level tropospheric wave, is not correct? Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. In summer, the polar front jet achieves its maximum force. It is narrow band of high-velocity wind. Jet streams are typically continuous over long distances. It follows the wave path near the tropopause at elevations of 8 km to 15 km. In summer, the polar front jet achieves its maximum force. It is narrow band of high-velocity wind. ANSWER DOWNLOAD EXAMIANS APP
Physics Kirchhoff's laws are applicable to C. circuits only C. circuits only None of these C. and A.C. circuits both C. circuits only C. circuits only None of these C. and A.C. circuits both ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? All will cool at the same rate Circular plate Sphere Cube All will cool at the same rate Circular plate Sphere Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following features of a tunnel diode is its drawback Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance Very wide temperature range of operations Very low power consumptions Extremely high frequency response Instability due to negative resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is exhibiting kinetic energy? An archer with a flexed bow A person sitting on a couch while watching TV A space station orbiting Earth All of these An archer with a flexed bow A person sitting on a couch while watching TV A space station orbiting Earth All of these ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ozonosphere Stratosphere Ionosphere Troposphere Ozonosphere Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP