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Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
a large aperture contributes to the quality and visibility of the images.
b
a large aperture provides a better resolution.
c
a large area of the objective ensures better light gathering power.
d
all of the above.
answer is D.
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