What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...? Mcqs

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What would happen to the escape velocity if the mass of the Earth were doubled, keeping the radius the same...?

(A) It would remain the same
(B) It would increase by a factor of 2sqrt{2}2​

(C) It would double
(D) It would decrease by a factor of 2sqrt{2}2

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What is the warmest Ocean...?

(A) Pacific Ocean
(B) Atlantic Ocean

(C) Arctic Ocean
(D) Indian Ocean

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What prevents the earth’s atmosphere from drifting away into space...?

(A) Gravity
(B) Ozone layer

(C) Troposphere
(D) Ecosystem

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Which of the following letter does not represent in periodic table...?

(A) X
(B) K

(C) J
(D) N

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What are the reactants in the reaction: CH4 + 2O2 → CO2 + 2H2O...?

(A) Methane and Oxygen
(B) Carbon dioxide and Water

(C) Hydrogen and Oxygen
(D) Carbon and Water

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The particles in a liquid have the following movement...?

(A) Move randomly with unlimited space
(B) Move randomly with limited space

(C) Vibrate at a fixed position
(D) Vibrate randomly with unlimited Space

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The female gametes are fertilized in the rear end of _____...?

(A) Oviduct
(B) Fallopin tube

(C) Ovaries
(D) Both a and b

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Rate of evaporation of petrol is greater than that of water at room temperature because:...?

(A) petrol molecules do not have any hydrogen bond
(B) petrol is an organic compound

(C) water molecules have small size
(D) petrol molecules have greater size

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What pigment is responsible for the red color inside a watermelon...?

(A) Chlorophyll
(B) Beta-carotene

(C) Lycopene
(D) Anthocyanin

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Which of the following lens are useful in microscope...?

(A) Convex lens
(B) Concave lens

(C) Curved lens
(D) None of These

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