an object 2cm is placed at a distance of 16cm from a concave mirror which produces a real image 3cm high then find the focal length and position of image
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an object 2cm is placed at a distance of 16cm from a concave mirror which produces a real image 3cm high then find the focal length and position of image
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Verified answer
GiVeN :-
Object size () = 2 cm
Object distance (u) = -16 cm
Image height () = 3 cm
To DeTeRmInE :-
The image distance (v) and the focal length (f).
AcKnOwLeDgEmEnT :-
MIRROR FORMULA :
Magnification of a concave mirror :
SoLuTiOn :-
Substituting the values :-
Now, substituting the values in the MIRROR FORMULA :-
Therefore, the position of the image is 24 cm in front of the mirror (left side) and the focal length of the mirror is -9.6 cm.