Question

If convex lens selected for the experiment has focal length less than convex mirror how would this selection limit the experiment

Answer 1

Since the focal length of the lens is less

• Thus it would be difficult for us to obtain clear images .
• The images would be diminished if placed before the point of 2F1 and the range of O to 2F1 is reduced , so many diminished images will be obtained.

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Answer 2

It becomes difficult to see the clear images when the focal length is less.

Explanation:

• Since the focal length of both concave and convex lens is less, therefore, we can say that
• It would be difficult for us to obtain clear images.
• We will not be able to see the image or the image will be completely diminished if placed before the focal point of 2F1 and it will reduce the range from O to 2F1.
• In this way, so many diminished images will be obtained.