What two rays do you draw for a parabolic mirror?
When drawing a parabolic mirror, two rays are commonly used:
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When drawing a parabolic mirror, two rays are commonly used:
1. The ray parallel to the principal axis: This ray is directed from the top of the object parallel to the principal axis and reflects off the mirror through the focal point. This ray helps to determine the point where the reflected rays converge, which is the focal point of the mirror.
2. The ray passing through the focal point: This ray is directed from the top of the object, passes through the focal point, and reflects off the mirror parallel to the principal axis. After reflecting off the mirror, this ray appears to be coming from the focal point. This ray helps to determine the direction in which the reflected rays travel after interacting with the mirror.
By drawing these two rays and extending them behind the mirror, you can determine the behavior of the reflected rays and locate the focal point of the parabolic mirror accurately.
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