A concave mirror has a focal length of 15 cm. An object is kept at a distance of 30 cm infront of the mirror from the pole. Mirror will produce an image at

Options :
  1. 30 cm infront of the mirror
  2. 45 cm infront of the mirror
  3. 30 cm behind the mirror
  4. 45 cm behind the mirror
Answer and Explanation :-

Answer: Option 1


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