The inner core of an optical fiber is __________ in composition...? Mcqs

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The inner core of an optical fiber is __________ in composition...?

(A) Glass or plastic
(B) Copper

(C) Bimetallic
(D) Liquid

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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 is the neutral particle...?

(A) Electron
(B) Proton

(C) Neutron
(D) None of these

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Magnetic tap is a ___...?

(A) Serial access medium
(B) Universal access medium

(C) Random access medium
(D) None of these

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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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Which planet has a similar size as Earth...?

(A) Venus
(B) Mars

(C) Uranus
(D) None of these

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A rocket needs the speed of .......... to escape from earth's gravity...?

(A) 22 miles per second
(B) 15 miles per second

(C) 12 miles per second
(D) 7 miles per second

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Chronometer is used to measure...?

(A) Velocity
(B) Pressure

(C) Time
(D) None of these

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E=mc2 what is C...?

(A) Velocity of light
(B) Electric power of cell

(C) Radius of earth
(D) Velocity of voice

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Sun's diameter is...?

(A) 3 million Km
(B) 2.5 million Km

(C) 1.4 million Km
(D) 1.8 million Km

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