AI Mentor
Check Your IQ
Free Expert Demo
Try Test
Courses
Dropper NEET CourseDropper JEE CourseClass - 12 NEET CourseClass - 12 JEE CourseClass - 11 NEET CourseClass - 11 JEE CourseClass - 10 Foundation NEET CourseClass - 10 Foundation JEE CourseClass - 10 CBSE CourseClass - 9 Foundation NEET CourseClass - 9 Foundation JEE CourseClass -9 CBSE CourseClass - 8 CBSE CourseClass - 7 CBSE CourseClass - 6 CBSE Course
Offline Centres
Q.
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
The total length of an astronomical telescope is the sum of the focal lengths of its two lenses
b
The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
c
The magnification of an astronomical telescope can be increased by decreasing the focal length of the eye-piece
d
The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye-piece
answer is B.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Watch 3-min video & get full concept clarity
courses
No courses found
Get Expert Academic Guidance – Connect with a Counselor Today!
best study material, now at your finger tips!
live classes
progress tracking
24x7 mentored guidance
study plan analysis
download the app
Download the App
