Grade 12Wave Optics
an eyepiece of a telescope consists of two plano convex lenses l1 and l2 each of focal length f separated by a distance of 2ƒ/3. where should l1 be placed relative to focus of the objective lens of telescope, so that the final image through l2 is seen at infinity?
an eyepiece of a telescope consists of two plano convex lenses l1 and l2 each of focal length f separated by a distance of 2ƒ/3. where should l1 be placed relative to focus of the objective lens of telescope, so that the final image through l2 is seen at infinity?
