Optics Question 378

Question: A photograph of the moon was taken with telescope. Later on, it was found that a housefly was sitting on the objective lens of the telescope. In photograph

[NCERT 1970; MP PET 1999]

Options:

A) The image of housefly will be reduced

B) There is a reduction in the intensity of the image

C) There is an increase in the intensity of the image

D) The image of the housefly will be enlarged

Show Answer

Answer:

Correct Answer: B

Solution:

Because size of the aperture decreases.



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