The additional lens introduced between the object glass and diaphragm in external focusing telescope is known as
AAnallatic lens
BConvex lens
CConcave lens
DNone of these
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
In a traverse the deflection angle is the difference between
A beam simply supported at both the ends of length l and carries two equal unlike couple M at two ends. If the flexural rigidity El is a constant, then the central deflection of the beam is given by
For locating a distant object visible from two transit stations, the method used usually preferred is
The absolute minimum radius of a horizontal curve for a design speed 60 kmph is
പത്രം അടിക്കുന്നതിന് ഉപയോഗിക്കുന്ന സംവിധാനം ?