Under which condition can a concave mirror forms an image larger than actual object?
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(a) Between F and P (pole) but virtual
(b) At F
(c) Between C and F
The size of image is equal to the size of object when object is placed at C (Center of Curvature).
It should be kept in mind that when an object changes its position(i. e. we chane its position) from C of concave mirror towards either side of it then this happens:
(a) if object is approaching the F then its image size starts increasing until it reach F (because if object is at F the size of image is largest because image forms at infinity ).
(b) if object is approaching the infinity then it's image size starts decreasing until it reach infinity (because if the object is at infinity the size of image is smallest, like a point on the focus of concave mirror
(b) At F
(c) Between C and F
The size of image is equal to the size of object when object is placed at C (Center of Curvature).
It should be kept in mind that when an object changes its position(i. e. we chane its position) from C of concave mirror towards either side of it then this happens:
(a) if object is approaching the F then its image size starts increasing until it reach F (because if object is at F the size of image is largest because image forms at infinity ).
(b) if object is approaching the infinity then it's image size starts decreasing until it reach infinity (because if the object is at infinity the size of image is smallest, like a point on the focus of concave mirror
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(a) Between F and C
(b) between F and P
(c) At F
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