Two lenses of power 2.5 D and 1.5 D are joined
together. The focal length of the new lens
formed is
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Answered by
13
AnsweR :
If we're provided combination of lenses then we simply add powers of the lenses, for getting equivalent power of lens.
⇒P = 2.5 * 1.5
⇒P = 4.0 D
Power of lens will be +4D
Answered by
1
Answer:
the focal length of the new lens formed is +4
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