An object is placed before a concave mirror normal to its principal axis so that the magnification is 6/5. After the object has moved away from the mirror by 25cm, the magnification becomes 2/5. Calculate the focal length of the mirror
Answers
Answered by
1
so answer maybe 200 cm
Attachments:


Similar questions
Social Sciences,
9 months ago
Geography,
9 months ago
Math,
1 year ago
Math,
1 year ago
History,
1 year ago