Geometrical Optics

Section: Physics

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Question : 15 of 59

Marks: +1, -0

A rod of length

2\ \text{cm}

\;\frac{2\pi}{3}\ \text{rad}

with the principal axis of a thin convex lens. The lens has a focal length of

10\ \text{cm}

and is placed at a distance of

\;\frac{40}{3}\ \text{cm}

from the object as shown in the figure. The height of the image is

\;\frac{30\sqrt{3}}{13}\ \text{cm}

and the angle made by it with respect to the principal axis is

\alpha

rad. The value of

\alpha

\;\frac{\pi}{n} r a d

n

[JEE Adv 2022 P1]

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