Optical fibre works on the principle of:...? Mcqs

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Optical fibre works on the principle of:...?

(i) Scattering
(ii) Total Internal Reflection

(iii) Interference
(iv) Principle of refraction

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On which river Mangla Dam is built ...?

(i) Indus
(ii) Chenab

(iii) Jhelum
(iv) None of these

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Synonym of Eradicate is...?

(i) Eliminate
(ii) To forget

(iii) To forgive
(iv) Validation

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Number of angels of hell are ______...?

(i) 17
(ii) 19

(iii) 21
(iv) 23

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All replied E-mails are stored in a _____ folder...?

(i) Drafts
(ii) Inbox

(iii) Sent
(iv) Trash

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Two polygons are similar if...?

(i) All corresponding sides are proportional
(ii) All corresponding sides are equal

(iii) Both A and B
(iv) None of these

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Complete the idiom: "Best things come in small...?

(i) Installments
(ii) Packages

(iii) Gifts
(iv) Joys

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Which of the following is not a windows version...?

(i) Windows 7
(ii) Windows 8

(iii) Windows 9
(iv) Windows 10

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The first calculator was invented by...?

(i) Gottfried Leibnitz
(ii) Jack Kelby Edith

(iii) Blaise Pascal
(iv) William Oughtred9

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A 5 m long ladder is placed against a wall with its foot 2 m from the wall the ladder reaches...?

(i) sqrt[13] * m
(ii) sqrt[17] * m

(iii) sqrt[19] * m
(iv) sqrt[21] * m

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