MCQ
A student has obtained the image of a distant object with a concave mirror to determine its focal length. If he has selected a well illuminated red building as object, which of the following correctly describes the features of the image formed?
  • A
    Virtual, inverted, diminished image in red shade.
  • B
    Real, erect, diminished image in pink shade.
  • Real, inverted, diminished image in red shade.
  • D
    Virtual, erect, enlarged image in red shade.

Answer

Correct option: C.
Real, inverted, diminished image in red shade.
To measure the focal length of the mirror, the object should be taken at infinity.
Therefore, the image formed by the concave mirror would be real, inverted, diminished and red in shade.
Hence, the correct option is $C.$

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