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(ii) Ram is given lenses with powers + 50, -5D. IOD. -10D and -20D. Considering a pair of lenses at
a time, which two lenses

By Alaia

(ii) Ram is given lenses with powers + 50, -5D. IOD. -10D and -20D. Considering a pair of lenses at
a time, which two lenses will be selected to have a combination of total focal length, when two lenses are
kept in contact in each case:
(a)-10 cm,
(h) 20 cm?​

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Alaia

Simplify by used suitable properties ( also state them which property used)
(A)
[tex]71 \times 56 + 29 \times 56 | \\

y 30 forms of verbs. One has been done for you.

Infinitive (base form) – Past Tense – Past Participle – Present Partic

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