Optical fiber works on the principle of ______...? Mcqs

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Optical fiber works on the principle of ______...?

(A) Scattering
(B) Total Internal Reflection

(C) Interference
(D) Principle of refraction

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Electron was discovered by:...?

(A) Rutherford
(B) J.J Thomson

(C) James Chadwick
(D) None Of These

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Which among the following is a positively charged particle emitted by a radioactive element...?

(A) Beta rays
(B) Alpha Rays

(C) Gamma rays
(D) Cathode rays

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Till now, how many Pakistanis won the Nobel Prize for Physics?

(A) 1
(B) 2

(C) 3
(D) 4

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Hydrometer is used to measure...?

(A) Acidity of water
(B) Specific gravity of a liquid

(C) Pollution in water
(D) Gravity of milk

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When the object moves with the speed of light its mass would be...?

(A) equal to its rest mass
(B) double of its rest mass

(C) infinite
(D) Zero Zero

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Which of the following planets has the maximum number of Satellites...?

(A) Venus
(B) Saturn

(C) Uranus
(D) Jupiter

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The layer of atmosphere in which we live is called...?

(A) Stratophere
(B) Troposphere

(C) Lithosphere
(D) lonosphere

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Which is used as an electrode in the dry cell...?

(A) Lead
(B) Graphite

(C) Molybdenum
(D) None of these

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The "Law of Gravitation" was discovered by _____...?

(A) Isaac Newton
(B) Thomas Aiva Edison

(C) Hug Chavez
(D) Guhlielmo Marconi

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