Fill in the blank spaces with appropriate answers:
The least distance of distinct vision (D) is _________ cm.

Fill in the blank spaces with appropriate answers: The S.I unit of permittivity is ______.

Fill in the blanks spaces with appropriate answers. ………..currents attract.

Fill in the blanks spaces with appropriate answers. Unlike currents……….

Fill in the blank spaces with appropriate answers: The angular dispersive psi = ________

Fill in the blanks spaces with appropriate answers. Amperer is defined from……….

Fill in the blank spaces with appropriate answers: You should hold a plane mirror, at a distance of ________ cm from your face to see your face distinctly.

Fill in the blank spaces with appropriate answers : M.K.S. unit of resistivity is……….. .

Fill in the blank spaces with appropriate answers : MKS unit of conductivity is………… .