What is the magnificaiton of an Electron Microscope?

What is the value of charge of an electron?

What is the value of e/m of an electron?

What is the resolving power of electron microscope.

To increase magnification of a compound microscope , the objective and the eyepiece of …. Focal lengths and the microscope tube of ….. Length are to be taken [fill in the blanks] .

What is the significance of negative electronic energy?

If in compound microscope m_1 and m_2 be the linear magnification of the objective lens and eye lens respectively, then what is the magnifying power of the microscope ?

The focal lengths of the objective and the eyepiece of a compound microscope are 1 cm and 5 cm respectively and the distance between the centres of the lenses is 15 cm . If the final image is formed at the least distance of distinct vision , what is the magnifying power of the microscope ?

What is the value of an electron-volt?

If the least distance of distinct vision is D and focal length of the lens is f then what is the equation for magnification in a simple microscope ?