4 Both 1 and 2 10 An astronomical telescope has

Last updated: 6/26/2023

4 Both 1 and 2 10 An astronomical telescope has magnification 8 for normal adjustment A person using this telescope finds that when distance between objective and eyepiece is made 40 cm the final image is formed at infinity Select the correct pair of focal lengths of objective and eyepiece respectively of 5 cm from the lens 40 1 f cm fe 9 9 2 f 10 cm f 30 cm 3 f 320 9 cm fe 320 cm 40 STENG DITE 9 4 f 30 cm f 10 cm cm