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
Padum Nath
8 Years agoGrade 10
1 Answer
Nitish Shukla
8 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