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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Fine organic or inorganic particles suspended in air is called _______________...?

(A) particulate pollutant
(B) gaseous pollutant

(C) aerosol
(D) none of these

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In a mercury thermometer, what is the range of the linear scale that the mercury rises in the tube...?

(A) 35°C - 42°C
(B) 20°C - 30°C

(C) 50°C - 60°C
(D) 80°C - 90°C

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If an enclosed gas container with moveable piston is heated. What will happen...?

(A) Volume will be decreased
(B) Volume will remain constant

(C) Volume will be increased
(D) Pressure will be increased

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Cancer that does not form a tumor....?

(A) metastatic breast cancer
(B) leukemia

(C) lung cancer
(D) bladder cancer

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Which of the following can be separated by physical means...?

(A) Mixture
(B) Element

(C) Compound
(D) Substance

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Which type of bond is formed between H₂O molecules...?

(A) Hydrogen bond
(B) Ionic bond

(C) Covalent bond
(D) All of these

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Which planets in solar system are called gas giants...?

(A) Outer planets (Jupiter, Saturn and Uranus)
(B) Outer planets (Jupiter, Neptune and Uranus)

(C) Outer planets (Jupiter and Saturn)
(D) Inner planets (Mercury and Earth)

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Ohm's law is not applicable to ______...?

(A) D.C. circuits
(B) Small resistors

(C) High currents
(D) Semiconductors

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What are considered the building blocks of matter...?

(A) Molecules
(B) Protons

(C) Elements
(D) Atoms

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