What type of a mirror is used in anti-shop-lifting-devices?
Correct answer: A. Convex mirror
- A. Convex mirror
- B. Concave mirror
- C. Plane mirror
- D. Both (b) and (c)
Explanation
Convex mirrors provide a wide field of view, allowing one device to monitor a larger shop area. They form upright, virtual, and reduced images, which is useful for surveillance.
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