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48.A telescope has an objective of focal length 50 cm and an eye piece of focal length 5 cm.the least distance of distinct vision is 25.the telescope is focussed for distinct vision on a scale 200 cm away.the separation btw the objective and eye piece is |
| Answer» 48.A telescope has an objective of focal length 50 cm and an eye piece of focal length 5 cm.the least distance of distinct vision is 25.the telescope is focussed for distinct vision on a scale 200 cm away.the separation btw the objective and eye piece is | |