Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant Its momentum remains constant Its kinetic energy remains constant Horizontal component of its velocity remains constant Vertical component of its velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following reflects back more sunlight as compared to other three? Paddy crop land Land covered with fresh snow Prairie land Sand desert Paddy crop land Land covered with fresh snow Prairie land Sand desert ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 0.1 MeV 1 MeV 100 MeV 10 MeV 0.1 MeV 1 MeV 100 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Steel is more elastic than rubber because it : Requires larger deforming force Is never deformed Is deformed very easily Is harder than rubber Requires larger deforming force Is never deformed Is deformed very easily Is harder than rubber ANSWER DOWNLOAD EXAMIANS APP
Physics If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is 500 J 20 J 5 J 0.2 J 500 J 20 J 5 J 0.2 J ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Decreases Depends on the impurities in the ice Increases Does not change Decreases Depends on the impurities in the ice Increases Does not change ANSWER DOWNLOAD EXAMIANS APP