In an experiment with a microscope, light of wave length 4240 `overset(@)A` is used. The limit of resolution is found to be `3xx10^(-7) m. ` What is the semi vertical angle?

Two points separated by a distance of 0.1 mm can just be inspected with a microscope when light of wave length 6000 overset@A is used. If the light of wave length 4800 overset@A is used find limit of resolution.

Calculate the resolving power of a microscope, whose limit of resolution is 2.4xx10^(-4) m .

The energy per quantum associated with light of wave length 250 xx 10^(-9)m is

In a double slit experiment, with monochromatic light, finges are obtained on a screen placed at some distance from the slits. If the screen is moed by 4xx10^(-2) m towards the slits, the changes in fringe width is 2xx10^(-5) m. If the separation between the slits is 10^(-3) m then wavelength of light used is

In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of 7.5 xx 10^(-12) m, the minimum electron energy required is close to :

In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of 7.5 xx 10^(-12) m, the minimum electron energy required is close to :