A large pupil and large cornea allows more light to enter their eyes and they can see objects even in faint light.
Question
Eyes of the nocturnal birds have large cornea and a large pupil. How does this structure help them?
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Boojho planned an activity to observe an object A through pipes as shown in figure below, so that he could see objects which he could not directly see.
(i) How many mirrors should he use to see the objects? (ii) Indicate the positions of the mirrors in the figure. (iii) What must be the angle with respect to the incident light at which he should place the mirrors? (iv) Indicate the direction of rays in the figure. (v) If any of the mirrors is removed, will he be able to see the objects?
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