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A small telescope has an objective lens of focal length 140 cm and an eyepiece of focal length 5.0 cm. what is the magnifying power of the telescope for viewing distant objects when
(a) the telescope is in normal adjustment (i.e, when the final image is at infinity ),
(b) The final image is formed at the least distance of distinct vision (25 cm )

Answer

Step by step text solution for A small telescope has an objective lens of focal length 140 cm and an eyepiece of focal length 5.0 cm. what is the magnifying power of the telescope for viewing distant objects when (a) the telescope is in normal adjustment (i.e, when the final image is at infinity ), (b) The final image is formed at the least distance of distinct vision (25 cm ) by PHYSICS experts to help you in doubts & scoring excellent marks in Class 12 exams.

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A small telescope has an objective lens of focal length 140 cm and eye piece of focal length 5.0 cm . What is the magnifying power of telescope for viewing distant objects when (a) the telescope is in normal adjustment (i.e. when the image is at infinity) (b) the final image is formed at the least distance of distinct vision (25 cm) .

A small telescope has an objective lens of focal length 144 cm and an eyepiece of focal length 6.0 cm. What is the magnifying power of the telescope? What is the separation between the objective and the eyepiece?

Knowledge Check

  • A small telescope has an objective lens of focal length 150 cm and an eye piece of focal length 6.0 cm. The magnifying power of the telescope for distinct vision adjustment is:

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    20
    D
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  • A telescope has an objective of focal length 140 cm and the eye piece of focal length 5 cm. Magnification of the telescope for viewing distant objects for normal adjustment is

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    B
    14
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