You are given following three lenses. Which two lenses will you use as an eyepiece and as an objective to construct an astronomical telescope? Lens Power (P) Aperture (A) L1 3D 8 cm L2 6D 1 cm L3 10D 1 cm
Answers
Answered by
4
in the eyepiece I have to use the convex lens and in the astronomical telescope I have to use the convex lens
Answered by
5
An astronomical telescope is constructed using:
(i) A convex lens of large focal length and large aperture as Objective Lens.
(ii) A convex lens of small focal length and small aperture as Eye Piece.
Thus in the given question
Objective : Lens 1 of Power 3D and aperture 8 cm
Eye Piece : Lens 3 of Power 10D and aperture 1cm
Hope it helps you. :)
(i) A convex lens of large focal length and large aperture as Objective Lens.
(ii) A convex lens of small focal length and small aperture as Eye Piece.
Thus in the given question
Objective : Lens 1 of Power 3D and aperture 8 cm
Eye Piece : Lens 3 of Power 10D and aperture 1cm
Hope it helps you. :)
Similar questions