Which of the following statement is true regarding concave mirror:

Question

BlackTom AI · Accepted Answer

Question restatement: Which of the following statements is true regarding concave mirrors?

Option a: None of the above. This would be correct only if all other statements were false. However, there is at least one true statement among the options, so this is not correct.

Option b: A concave mirror can only produces real images. This is incorrect because a concave mirror can form real images when the object is placed beyond the focal point, but it can also form virtual images when the object is within the focal point. The statement wrongly claims exclusivity to real images.

Option c: A concave mirror can produce both real and virtual images. This is true: depending on the object's position relative to the focal point, a concave mirror can form real images (object beyond F) or virtual images (object between F and the mirror). The nature of the image also depends on the ray behavior and the mirror equation 1/f = 1/do + 1/di, with sign conventions indicating real images have positive di in standard setups.

Option d: A concave mirror can only produces virtual images. This is incorrect because, as noted, real images are formed when the object is beyond the focal point, so asserting only virtual images ignores valid real-image scenarios.

Summary of reasoning: The defining property of concave mirrors is their ability to form either real or virtual images depending on object distance. Options b and d incorrectly restrict image types, and option a is invalid because option c is indeed true. The accurate statement among the choices is that concave mirrors can produce both real and virtual images.

Which of the following statement is true regarding concave mirror:单项选择题

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