While passing a ray through a convex lens( while constructing the figure), do we show the ray of light bend as it enters from air to lens or directly make it as the lensis not there?

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Solution

It's appropriate to bend the ray from the centre of the lens.
But what is moore important is not where to bend it ,but to draw the ray in the correct direction.

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While passing a ray through a convex lens( while constructing the figure), do we show the ray of light bend as it enters from air to lens or directly make it as the lensis not there?

It's appropriate to bend the ray from the centre of the lens. But what is moore important is not where to bend it ,but to draw the ray in the correct direction.

It's appropriate to bend the ray from the centre of the lens.
But what is moore important is not where to bend it ,but to draw the ray in the correct direction.