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This is very simple
add the powers to get the power of final combination.
24.99D
it will be approx 25D
now calculate focal lenth in cm
it will be 4cm
u can get other properties by mirror formula
most probable the imahe will be real , inverted and smalle than the object and in between 4-8cm.
Hope u got that
add the powers to get the power of final combination.
24.99D
it will be approx 25D
now calculate focal lenth in cm
it will be 4cm
u can get other properties by mirror formula
most probable the imahe will be real , inverted and smalle than the object and in between 4-8cm.
Hope u got that
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