A spherical mirror produces an image of magnification 1

Asked by admin @ 13/08/2021 in Physics viewed by 297 People

a spherical mirror produces an image of magnification -1 on a screen placed at distance of 50cm from the mirror 1 write the type of mirror 2 find the distance of image from the object 3 what is the focal length of the mirror

Answered by admin @ 13/08/2021

1) It is a concave mirror.

2) m= -1 , U= -50cm
m= -V/U
Therefore,
-1= -V/-50
=> V= -50cm

3) 1/V+1/U=1/f
=> 1/-50+1/-50=1/f
=> 1/-25=1/f
Therefore f= -25cm

Hope this helps:)

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