Physics Large astronomical telescopes always use as objective mirror None of these lens combinations of lenses mirror None of these lens combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Increases Does not change Becomes infinite Decreases Increases Does not change Becomes infinite Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train Steel can be saved Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP
Physics Radian is used to measure Solid Angle Angle Temperature Intensity of Flame Solid Angle Angle Temperature Intensity of Flame ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle In the same direction as the bird At a higher elevation than the bird Vertically upwards At the lower elevation than the bird In the same direction as the bird At a higher elevation than the bird Vertically upwards At the lower elevation than the bird ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following industries is mica as a raw material? Electrical Cement Iron and Steel Glass and Pottery Electrical Cement Iron and Steel Glass and Pottery ANSWER DOWNLOAD EXAMIANS APP