Two lens of power -2.5d and 1.5d are placed in contact find the total power of combination of len and also focal length of the combination in brainly
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L1= p=-2.5D
L2=p=1.5D
total power=p1+p2
= -2.5+1.5
= -1.0 D
f of combinations =
p=1/f (in metres)
-1.0=1/f
f=1/-1.0
f= -1m
thnxx
Hope it helps you
Please mark the answer as Brainliest.
L2=p=1.5D
total power=p1+p2
= -2.5+1.5
= -1.0 D
f of combinations =
p=1/f (in metres)
-1.0=1/f
f=1/-1.0
f= -1m
thnxx
Hope it helps you
Please mark the answer as Brainliest.
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