Question

three special rays for drawing diagrams convex lens​

Answer 1

Answer:

Any incident ray traveling parallel to the principal axis of a converging lens will refract through the lens and travel through the focal point on the opposite side of the lens.

Any incident ray traveling through the focal point on the way to the lens will refract through the lens and travel parallel to the principal axis.

An incident ray that passes through the center of the lens will in effect continue in the same direction that it had when it entered the lens.

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Answer 2

Answer:

Pick a point on the top of the object and draw three incident rays traveling towards the lens. Using a straight edge, accurately draw one ray so that it passes exactly through the focal point on the way to the lens. Draw the second ray such that it travels exactly parallel to the principal axis.

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