In SI unit of time Picosecond is equal to how many seconds:...? Mcqs

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In SI unit of time Picosecond is equal to how many seconds:...?

(A) 10
(B) 10-12

(C) 10-18
(D) None of these

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The sun takes ........... years to travel around the galaxy..?

(A) One Hundred Years
(B) One millions years

(C) 225 million years
(D) 225 years

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Who among the following proposed Laws of planetary motion...?

(A) Roger Bacon
(B) Isaac Newton

(C) Johannes Kepler
(D) Galileo

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A chronometer measure:...?

(A) Sound waves
(B) Time

(C) Color contrast
(D) Water wavės

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Ozone layer protect us from the harmful _______ of the Sun....?

(A) Heat
(B) Cold

(C) Ultraviolet rays
(D) None of these

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The planet nearest to the sun is:...?

(A) Jupiter
(B) Saturn

(C) Mercury
(D) Earth

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Water drops are spherical because of...?

(A) Air pressure
(B) Density

(C) Viscosity
(D) Surface tension

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What is the S.I unit of temperature...?

(A) Kelvin
(B) Centigrade

(C) Fahrenheit
(D) None of these

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Chronometer is used to measure...?

(A) Velocity
(B) Pressure

(C) Time
(D) None of these

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Who discovered the Law of Gravitation...?

(A) Sir Isaac Newton
(B) Louis Pasture

(C) Galileo
(D) Wlliam Henry

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