Challenger Logo

Challenger App

Get it on Google PlayGet it on App Store
App Logo

No.1 PSC Learning App

★
★
★
★
★
1M+ Downloads
Get App
The additional lens introduced between the object glass and diaphragm in external focusing telescope is known as

AAnallatic lens

BConvex lens

CConcave lens

DNone of these

Answer:

A. Anallatic lens

Related Questions:

Centre line method is suitable when offsets are
Which of the following machine is primarily intended for producing flat surface?
The theodolite is an instrument used for measuring very accurately
Ogee curves are used to connect
The term grund norm is associated with :