Physics The ordinary and maximum tolerance limit of sound by human being is 70 db to 85 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) 70 db to 85 db (decibel) 50 db to 70 db (decibel) 60 db to 80 db (decibel) 65 db to 75 db (decibel) ANSWER DOWNLOAD EXAMIANS APP
Physics Which statement best describes an igneous intrusion? Magma explodes to the surface and forms a smooth outer layer of rock Magma is injected into surrounding rock forming an igneous intrusive Magma is exported to an open area and forms iron Igneous intrusion for when ice crystals splash into lava Magma explodes to the surface and forms a smooth outer layer of rock Magma is injected into surrounding rock forming an igneous intrusive Magma is exported to an open area and forms iron Igneous intrusion for when ice crystals splash into lava ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : F (3/4)f (4/3)f (7/3)f F (3/4)f (4/3)f (7/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from west east southeast northeast west east southeast northeast ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of force is a Basic Unit Derived Unit Fundamental Unit None of these Basic Unit Derived Unit Fundamental Unit None of these ANSWER DOWNLOAD EXAMIANS APP