Question:

The focal length of eye piece in telescope \(\underline{\hspace{3cm}}\) the focal length of the objective.

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The objective lens has a longer focal length to gather light, while the eyepiece has a shorter focal length for magnification.
  • is less than
  • is more than
  • is equal
  • none of these
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The Correct Option is A

Solution and Explanation

In a telescope, the focal length of the eyepiece is always less than the focal length of the objective lens. This is essential for forming an image at a comfortable viewing distance.
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