An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The seperation between the objective and the eye piece is 36 cm and the final image is formed at infinity. The focal length f0 of the objective and the focal length fe of the eye piece are
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
f0 = 45 cm, fe = –9 cm
b
f0 = 7.2 cm, f = 5 cm
c
f0 = 50 cm, fe = 10 cm
d
f0 = 30 cm, fe = 6 cm
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
m= f0fe⇒5=f0fe------(1) L= f0+fe⇒36=f0+fe----(2) Given From (1) & (2)f0 = 30cm, fe = 6cm
Not sure what to do in the future? Don’t worry! We have a FREE career guidance session just for you!
An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The seperation between the objective and the eye piece is 36 cm and the final image is formed at infinity. The focal length f0 of the objective and the focal length fe of the eye piece are