Q.

Statement I : Two different planets have same escape velocity. 

Statement II : Value of escape velocity is a universal constant.

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a

If statement I  is true but statement II is false.
 

b

If both statement I and statement II are true and statement II is the correct explanation of statement I.
 

c

If both statement I and statement II are false.
 

d

If both statement I and statement II are true but statement II is not the correct explanation of statement I
 

answer is D.

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Detailed Solution

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As escape velocity = 2GMR, so its value depends on mass of planet and radius of the planet. The two different planets have same escape velocities, when these quantities (mass to radius ratio) are equal.

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