Science, asked by nichu1091, 1 year ago

find the nature size and position of image formed when an object of size 1 cm is placed at a distance of 72 cm from a convex mirror of focal length 36 cm

Answers

Answered by pranay2468
3
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Answered by soniyasonu162
3
HEY MATE, HERE IS UR ANSWER:-

Given:-

Object distance (u) = -72cm

Height of the object (h) = 1cm

Focal length of the mirror (f) = -36cm

By using mirror Formula,

1/v+1/u=1/f

1/v=1/f-1/u

1/v=1/(-36)-1/(-72)

1/v=1/(-36)+1/72

=-36+72/-72x72

1/v= 36/-2592

v=-2592/36= -72cm

Image distance= -72cm

Magnification (m)= h'/h= -v/u

= h'/1= -(-72)/-72

=h'/1= 72/-72

= 72= -72 h'

h'= -72/72

h'= -1cm

Height of the image is -1cm

Therefore the image formed is real, inverted and size of the image is equal to the object's size.

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