Medium
$A$ ray of light $AB$ parallel to the principal axis is incident on a convex lens as shown in the figure. Copy the figure.
$(i)$ Draw the refracted ray.
$(ii)$ Name the point through which the refracted ray passes on the principal axis.
$(i)$ Draw the refracted ray.
$(ii)$ Name the point through which the refracted ray passes on the principal axis.
(N/A) $(i)$ The refracted ray $BD$ is shown in the figure.
$(ii)$ The point through which the refracted ray passes on the principal axis is known as the principal focus (denoted as $F_2$ in the figure) of the lens.
$(ii)$ The point through which the refracted ray passes on the principal axis is known as the principal focus (denoted as $F_2$ in the figure) of the lens.
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