Question

a photograph of moon was taken with telescope later on it was found that a housefly was sitting on the objective lens of the telescope in photograph,,,,
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Answer 1

This will result in a decrease in the intensity of the light which is entering the telescope.

Explanation:

• The square of intensity is  directly proportional to the area. As a result of these there is a decrease in the area of the telescope. Hence there is is the the decreased intensity of the photograph which was taken by the telescope.

• This relationship is not dependent on the  aperture of the lens. Hence in the house fly should be removed and a a photograph should be taken for more intensity.

To know more,

give the difference between microscope and telescope. - Brainly.in

https://brainly.in/question/2730996