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Find the diameter of the moon which forms a image on concave mirror of radius of curvature 4.8meter and the diameter of the image is 2.2cm.The distance between the mirror and the moon is 240000km

Find the diameter of the moon which forms a image on concave mirror of radius of curvature 4.8meter and the diameter of the image is 2.2cm.The distance between the mirror and the moon is 240000km

Grade:10

1 Answers

Nitish Shukla
11 Points
6 years ago
2R=ff=2.4Assuming u to be infinity and applying mirror formula. 1/2.4=1/v+1/∞v=2.4I/O=v/uO=Iu/vI=2.2*10^-2, u=2.4*10^5, v=2.4*10^-2O=2.2*10^5

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