For minimum angular distance between two stars, which a telescope can analyse, which of the following statements is true (here aperture means diameter of the objective of the telescope)?

Which of the following statements is true, if a planet is observed with the help of an astronmical telescope?

In astronomcial telescop, which of the following statement is NOT applicable ?

In astronomcial telescop, which of the following statement is NOT applicable ?

Which on of the following in correct? Large aperture telescopes are used for

State whether the following statements are true or flase : Constellation Orion can be seen only with a telescope.

For observing fainter distance objects and for high resolving power which of the following telescope should be used ?

For observing fainter distance objects and for high resolving power which of the following telescope should be used ?

A spy satellite is in orbit at a distance of 1.0 xx 10^(6) m above the ground. It carries a telescope that can resolve the two rails of a railroad track that are 1.4 m apart using light of wavelength 600 nm. Which one of the following statements best describes the diameter of the lens in the telescope?