CUET Preparation Today
Four lenses of focal length ±5 cm and ±200 cm are available for making a telescope. To produce the largest magnification for making a telescope with the help of these lenses, the focal length of eye piece should be: |
+200 cm -5 cm -200 cm +5 cm |
+5 cm |
The correct answer is Option (4) → +5 cm |
