An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of

Large focal length and small diameter

Large focal length and large diameter

Small focal length and large diameter

Small focal length and small diameter

An astronomical refracting telescope will have large angular magnific

1.	An astronomical refracting telescope will have large angular magnification and high angular resolution, when it has an objective lens of
A.	Large focal length and large diameter
B.	Large focal length and small diameter
C.	Small focal length and large diameter
D.	Small focal length and small diameter
Answer» B. Large focal length and small diameter