A Cassegrain telescope uses two mirrors as shown in
figure . Such a telescope is built with the mirrors 20 mm apart .
If the radius of curvature of the large mirror is 220mm and small
mirror is 140mm , where will the final image of an object at
infinity be ?
A Cassegrain telescope uses two mirrors as shown in figure . Such a telescope is built with the mirrors 20 mm apart . If
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