Physics The velocity of sound in air Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Increases with decrease of temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not reversible? Thomson effect Joule effect Peltier effect Seebeck effect Thomson effect Joule effect Peltier effect Seebeck effect ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Compact fluorescent lamp Closed filament lamp Closed fluorescent lamp Constantan filament lamp Compact fluorescent lamp Closed filament lamp Closed fluorescent lamp Constantan filament lamp ANSWER DOWNLOAD EXAMIANS APP
Physics Should cars have bumpers that collapse under impact? Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since it would be very expensive to get the car repaired Yes, since the offending car should get damaged and pay for the mistake No, since the colliding car would then ram into the occupants and kill them Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since it would be very expensive to get the car repaired Yes, since the offending car should get damaged and pay for the mistake No, since the colliding car would then ram into the occupants and kill them ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Gas Solid Liquid Vacuum Gas Solid Liquid Vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Semi conductors Superconductors Dielectrics Perfect conductors Semi conductors Superconductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP