. A spherical mirror produces an image of magnification -1 on a screen placed at a distance of 50 cm from the mirror


(a) Write the type of mirror.

(b)  Find the distance of the image from the object

(c) What is the focal length of the mirror?

(d)  Draw the ray diagram to show the image formation in this case

 

Best Answer

Answer: If magnification,  m =  -1

v =50 cm

If the magnification has minus sign, then  the image  is real and  inverted.

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(a) Since image  is formed  on the screen  therefore the mirror formed  real image  which  is formed  by concave  mirror only.

(b) Image distance = 50 cm in front  of the mirror.

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