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Study the Following Diagram and Select the Correct Statement About the Device 'X' : - Science

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Study the following diagram and select the correct statement about the device 'X' :

(A) Device 'X' is a concave mirror of radius of curvature 12 cm

(B) Device 'X' is a concave mirror of focal length 6 cm

(C) Device 'X' is a concave mirror of focal length 12 cm

(D) Device 'X' is a convex of mirror of focal length 12 cm

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Solution

Because the light rays coming from infinity get reflected by the device 'X' and converge at a point at a distance 12 cm from it, the device 'X' is a concave mirror of focal length 12 cm.

Hence, the correct option is C.

Concept: Concave Mirror
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