Earth completes one rotation on its axis in...? Mcqs

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Earth completes one rotation on its axis in...?

(A) 23 hours and 30 minutes
(B) 23 hours 56 minutes and 4.9 seconds

(C) 24 hours
(D) 24 hours 1 minute and 10 seconds

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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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Which from the following is true for "Sound"...?

(A) Sound cannot travel through a vacuum
(B) Sound cannot travel through gases

(C) Sound cannot travel through liquids
(D) Sound cannot travel through solids

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If there is no Sun, The color of the sky would be ...?

(A) Orance
(B) Blue

(C) Yellow
(D) None of these

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Mixture of two metals is called...?

(A) Dispersant
(B) Alloy

(C) Amalgam
(D) Metaloid

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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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The SI unit of energy is:...?

(A) Watt
(B) Newton

(C) Joule
(D) None of these

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Who is credited for discovery of Planetry motion___...?

(A) Nicolaus Copernicus
(B) Darwan

(C) Kepler
(D) None

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What is the time taken by sunlight to reach the earth...?

(A) 8 minutes
(B) 8 minutes 20 seconds

(C) 8 minutes 30 seconds
(D) 9 minutes

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H=100-4t The equation above can be used to model the number of hours h until a gallon of milk held at a temperature of t, in degrees Celsius, goes sour. Based on the model, which of the following is the best interpretation of the number 4 in the equation...?

(A) An increase of 1 degree Celsius will make a gallon of milk go sour 4 hours faster
(B) An increase of 1 degree Celsius will make 4 gallons of milk go sour 1 hour faster

(C) An increase of 4 degrees Celsius will make a gallon of milk go sour 1 hour faster
(D) An increase of 4 degrees Celsius will make a gallon of milk go sour 4 hours faster

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