A spherical mirror produces an image of magnification

Asked by admin @ 31/08/2021 in Physics viewed by 294 People

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 that image

Answered by admin @ 31/08/2021

The magnification is negative here, so it means that the image formed is real and inverted.THE MIRROR THAT PRODUCES A REAL AND INVERTED IMAGE IS A CONCAVE MIRROR.So now,we have the information that the magnification is -1 it means that the image formed is one times than the object,that is,the image is of the same size that of the object.WE GET A SAME SIZE AND SAME DISTANCE IMAGE TO THAT OF THE OBJECT IN A CONCAVE MIRROR ,WHEN WE KEEP THE OBJECT AT THE CENTER OF CURVATURE.

a)CONCAVE MIRROR.

b)-50.

c)FOCAL LENGTH IS EQUAL TO THE HALF OF CENTER OF CURVATURE,THAT IS, FOCAL LENGTH IS 25 CM.

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