NextMockపరీక్షలు వెతకండి, ఉదా. SSC CGL, UPPSC, Lekhpal
State PCS PYQPrelims 2023

BPSC – Combined Competitive Examination · ప్రశ్న 15

The image formed by a concave mirror is real, inverted and of the same size as the object. The position of the object should be:

  1. at the focus
  2. at the centre of curvature
  3. between the focus and centre of curvature
  4. beyond the centre of curvature
సమాధానం చూపించు & వివరణ

సమాధానం: (B) at the centre of curvature

వివరణ

For a concave mirror, an object at C (2f) forms a real, inverted, same-size image at C.

  • (A) తప్పు

    Wrong: image forms at infinity.

  • (B) సరైనది

    Correct: object at C gives a same-size, real, inverted image at C.

  • (C) తప్పు

    Wrong: image is enlarged beyond C.

  • (D) తప్పు

    Wrong: image is diminished between F and C.