In an internal focussing type of telescope, the lens provided is______ – McqOptions

MCQOPTIONS

1.	In an internal focussing type of telescope, the lens provided is_______________?
A.	concave
B.	convex
C.	plano-convex
D.	plano-concave
Answer» B. convex

Discussion

No Comment Found

Related MCQs

The lens equation is applicable
The bearing of line is 152° 30' and angle measured clockwise is 124° 28'. The bearing of is
is a regular parallelogram plot of land whose angle is 60°. If the bearing of the line is 30°, the bearing of , is
If is the difference in level between end points separated by , then the slope correction is . The second term may be neglected if the value of in a 20 m distance is less than
If a 30 m chain diverges through a perpendicular distance from its correct alignment, the error in length, is
If arithmetic sum of latitudes of a closed traverse is ∑ and closing error in latitude is , the correction for a side whose latitude is , as given by Transit Rule, is
If the radius of a simple curve is , the length of the chord for calculating offsets by the method of chords produced, should not exceed.
The bearings of the lines and are 146° 30' and 68° 30'. The included angle is
If is the perimeter of a closed traverse, Δ is the closing error in departure, the correction for the departure of a traverse side of length , according to Bowditch rule, is
Keeping the instrument height as 1 m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than