Science, asked by kamalarajput141, 6 months ago

18. An object at a distance of 30 cm from a
concave mirror gets its image at the same
point. The focal length of the mirror is *​

Answers

Answered by mannyekonyak3
0

Answer:

As object and image are located at the same point and in front of concave mirror then we take u = +30 cm and v = + 30 cm. ... Thus, the focal length of mirror is 15 cm.

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