Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 200J 20 J 400J 40J 200J 20 J 400J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Helium Lithium Oxygen Hydrogen Helium Lithium Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Physics Golden view of sea shell is due to Polarization Dispersion Diffraction Reflection Polarization Dispersion Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics What is the force of attraction between any two bodies by virtue of their masses is called? Centripetal Force Nuclear Force Gravitational Force Electromagnetic Force Centripetal Force Nuclear Force Gravitational Force Electromagnetic Force ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? The lighter mass will reach greater height Both will reach the same height Any of them may reach greater height The heavier mass will reach greater height The lighter mass will reach greater height Both will reach the same height Any of them may reach greater height The heavier mass will reach greater height 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 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 In the same direction as the bird ANSWER DOWNLOAD EXAMIANS APP