Question

please answer my question?????????? with solution

Answer 1

HELLO MATE!

P¹=-1.5D ,P²=+2.75D

P=P¹+P2

=-1.5+2.75

=1.25D

NOW,

P=1/f

f=1/P

=1/1.25

=0.83

Therefore d)0.83 is the correct answer

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