Physical Science B Semester Exam
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Question
Use the ray diagram for a lens to answer the question.
The illustration shows a candle as an object to the left of a concave lens beyond focus on the left. One ray from the candle falls on the lens parallel to the principal axis and is refracted through the focus on the right. Another ray from the candle falls at the optical center and is refracted undeviated. The two refracted rays meet at a point below the principal axis beyond focus on the right. An inverted image of the object smaller in size is formed.
Which of these best describes the type of lens shown in the ray diagram?
(1 point)
Responses
It shows a concave lens. For this type of lens, the image is always on the opposite side of the lens as the original object.
It shows a concave lens. For this type of lens, the image is always on the opposite side of the lens as the original object.
It shows a concave lens. For this type of lens, the image position depends on the object's position relative to the focus point.
It shows a concave lens. For this type of lens, the image position depends on the object's position relative to the focus point.
It shows a convex lens. For this type of lens, the image position depends on the object's position relative to the focus point.
It shows a convex lens. For this type of lens, the image position depends on the object's position relative to the focus point.
It shows a convex lens. For this type of lens, the image is always on the opposite side of the lens as the original object.
It shows a convex lens. For this type of lens, the image is always on the opposite side of the lens as the original object.
PLzzzz hurrry and answer correctly
It shows a concave lens. For this type of lens, the image position depends on the object's position relative to the focus point.
The correct answer is:
It shows a concave lens. For this type of lens, the image position depends on the object's position relative to the focus point.
To determine the answer, we need to understand the properties of concave and convex lenses. In the given ray diagram, one ray parallel to the principal axis is refracted through the focus on the right side, and another ray passing through the optical center is undeviated. These two refracted rays meet at a point below the principal axis.
In concave lenses, parallel rays are refracted away from the principal axis and therefore do not converge. This means that the ray diagram does not match the behavior of a concave lens.
In convex lenses, parallel rays are refracted towards the principal axis and converge to a single point on the opposite side of the lens. The ray diagram in the question shows that the rays converge to a point below the principal axis, indicating that the lens must be convex.
Therefore, the correct answer is: "It shows a convex lens. For this type of lens, the image is always on the opposite side of the lens as the original object."