Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
Resolving power of telescope increases when
PhysicsWave OpticsNEET
Options:
  • A wavelength of light decreases.
  • B wavelength of light increases.
  • C focal length of eye-piece increases.
  • D focal length of eye-piece decreases.
Solution:
1648 Upvotes Verified Answer
The correct answer is: wavelength of light decreases.
Resolving power of telescope is given by

P=d1.22λ

When λ decrease, resolving power increases and vice versa

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play