Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other It is very small in size It has only one electron It is highly electropositive Its energy levels are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Eclipses occur due to which optical phenomena? Reflection Refraction Rectilinear propagation Diffraction Reflection Refraction Rectilinear propagation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics Water boils at a lower temperature on the hills because There is a decrease in air pressure on the hills There is less carbon dioxide on the hills It is cold on the hills There is less oxygen There is a decrease in air pressure on the hills There is less carbon dioxide on the hills It is cold on the hills There is less oxygen ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Radiation Conduction Convection Reflection Radiation Conduction Convection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When white light passes through a glass prism we get a spectrum on the other side of the prism. In the emergent beam the ray which is deviated least is The green ray The blue ray The violet ray The red ray The green ray The blue ray The violet ray The red ray ANSWER DOWNLOAD EXAMIANS APP