Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP
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 is narrow band of high-velocity wind. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. Jet streams are typically continuous over long distances. It is narrow band of high-velocity wind. In summer, the polar front jet achieves its maximum force. It follows the wave path near the tropopause at elevations of 8 km to 15 km. ANSWER DOWNLOAD EXAMIANS APP
Physics Name the process by which bubbles from liquid are formed? Surface Energy Surface Tension Effervescence Degasification Surface Energy Surface Tension Effervescence Degasification ANSWER DOWNLOAD EXAMIANS APP
Physics The atmosphere is heated mainly by Radiation Insolation Convection Conduction Radiation Insolation Convection Conduction ANSWER DOWNLOAD EXAMIANS APP
Physics When a body falls from an aeroplane, there is increase in its Acceleration Potential energy Mass Kinetic energy Acceleration Potential energy Mass Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol ANSWER DOWNLOAD EXAMIANS APP