If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from______________?

Related Mcqs:

A lens which converges a beam of parallel rays to a point is called______________?

A. diverging (or concave) lens B. converging (or convex) lens C. plano concave lens D. plano convex lens...

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

A. Diodes B. Repeaters C. Laser D. Transformer...

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...

The function of collimeter in spectrometer is________________?

A. to produce parallel beams of light B. to filter the light rays C. to make them D. no function...