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A spherical mirror produces an image of magnification -1.0 on a screen placed at a distance of 30 cm from the pole of the mirror. a) Write the type of mirror used. b) What is the focal length of this mirror? c) Calculate the object distance. d) What is the nature of the image formed? e) Draw the ray diagram to show the image formation.
Asked by harishsrinivasan0769 | 22 Jul, 2020, 02:40: PM
m =-1

v = - 30 cm
a) As the magnification produced due to spherical mirror is -1 it shows that the image is formed at the same side of object and of same size of object. Also it shows that the image is real and inverted. Thus, the nature of mirror is concave mirror.

b)focal length of concave mirror : -

d) Image formation ray diagram: -
Answered by Shiwani Sawant | 22 Jul, 2020, 08:28: PM

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