In optic fiber transmission system _____________ are used regenerate the dim light signal?

Related Mcqs:

A convex lens gives a virtual image only when the objects lies_________________?

A. between principal focus and center of curvature B. beyond 2 f C. at the principal focus D. between principal focus and optical center...

The minimum distance between an object and its real image in a convex lens is_____________?

A. 2 f B. 2.5 f C. 3f D. 4f...

The value of critical angle for glass is_______________?

A. 42° B. 47° C. 52° D. 50°...

Magnification of the astronomical telescope is_____________?

A. fo+fe B. fo/fe C. fe/fo D. (1+fo/fe)L/fo...

Errors in the transmission of power through optic fiber can be minimized by using a______________?

A. Multimode index fiber B. Graded index fiber C. Single mode step index fiber D. Copper wire...