Answer:
(a) Since the final image is formed
atinfinity, the distance between the objectlens and the eye-piece is
(b) The angle
subtended by the tower is
Also,
if h is the size of image formed by theobject, then
(c) Angular
magnification of eye piece is
Height of the
final image = 6h = 6 x 4.7= 28-2 cm
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