Question

Where do the three rays in a ray diagram start?

at a focal point on the opposite side of the lens
at three different points on the object
at a focal point on the same side of the lens
at a single point on the object

Answer 1

The three rays in a ray diagram start from a single point on the object.

What is focal point of a lens?

The focal point of a lens is the point where light rays parallel to the axis are brought to a point.

The focal point is responsible for the converging of light rays coming from the object but the rays do not start here.

Thus, the three rays in a ray diagram start from a single point on the object.

Learn more about ray diagram here: https://brainly.com/question/23536244

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Answer 2

Answer:

D

Explanation: