if powers of 6D and -4D are combined together then find the focal length of this question
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Answered by
1
Hii ☺️
you are welcome in my ans
D = D1 + D2
D = 6D - 4D
D = 2D
1/f = 2D
f = 1/2
f = 0.5
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Hope it may helps you
Answered by
0
the Formula is
1/f =1/f1 +1/f2
the ans is -12
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