Optics Question 390
Question: In Gallilean telescope, if the powers of an objective and eye lens are respectively +1.25 D and ? 20 D, then for relaxed vision, the length and magnification will be
Options:
A) 21.25 cm and 16
B) 75 cm and 20
C) 75 cm and 16
D) 8.5 cm and 21.25
Show Answer
Answer:
Correct Answer: C
Solution:
and
