Physics Which layer of the earth's atmosphere reflect back the radio waves to the earth's surface ? Ionosphere Exosphere Stratosphere Mesosphere Ionosphere Exosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No force acts on it No work is done on it Its velocity remains constant No acceleration is produced in it No force acts on it No work is done on it Its velocity remains constant No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. A microscope whose lenses are concave. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope that has one lens. A microscope whose lenses are convex. ANSWER DOWNLOAD EXAMIANS APP
Physics Flemings ''Left hand Rule" is associated with the effect of Magnetic field on magnet Electric field on magnet Magnetic Field on current Electric field on current Magnetic field on magnet Electric field on magnet Magnetic Field on current Electric field on current ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are electromagnetic polarised transverse longitudinal electromagnetic polarised transverse longitudinal ANSWER DOWNLOAD EXAMIANS APP
Physics The different colours of different stars are due to the variation of Radiation from them Density Pressure Temperature Radiation from them Density Pressure Temperature ANSWER DOWNLOAD EXAMIANS APP