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(a) Explain the advantage of using a plane mirror in optical testing.
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User Jinlye
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Answer: Optical test is a test which is used to assess vision and ability of the person to focus on the objects.

Step-by-step explanation:

The following are the advantages of utilizing plane mirror in optical testing:

1. When a plane mirror is used for testing the image of the test card must be placed at distance equal to the distance of the object.

2. Larger distance in between the object or test card and viewer is obtained. This can help in determining the exact ability of the eye to focus on objects.

User Thenewbie
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