A convex lens acts as a diverging lens if the_________________?

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...

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...

Michelson devised the formula to calculate the speed of light_______________?

A. C = 4fd B. C = 8fd C. C = 16fd D. C = 5/2fd...