A person with short-sighted vision (myopia) was incorrectly given a pair of spectacles with convex lenses - HSC - SSCE Biology - Question 19 - 2022 - Paper 1
Question 19
A person with short-sighted vision (myopia) was incorrectly given a pair of spectacles with convex lenses.
Which row of the table demonstrates what happens?
Worked Solution & Example Answer:A person with short-sighted vision (myopia) was incorrectly given a pair of spectacles with convex lenses - HSC - SSCE Biology - Question 19 - 2022 - Paper 1
Step 1
Without spectacles
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Answer
In this scenario, the light rays from a distant object enter the eye and converge to a point in front of the retina, resulting in a blurred image. This is typical for a person with myopia.
Step 2
With spectacles
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Answer
When convex lenses are used, they cause light rays to diverge before they reach the eye. This results in the rays still converging in front of the retina, furthering the blurriness. The correct choice that illustrates this situation measures the light's behavior as described.
Step 3
Correct answer
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Answer
The correct row in the table that demonstrates what happens is D.
