Gravitation Question 91
Question: Assertion: Two different planets have same escape velocity. Reason: Value of escape velocity is a universal constant.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Show Answer
Answer:
Correct Answer: D
Solution:
As, escape velocity $ [=\sqrt{\frac{2GM}{R}}] $ , so its value depends on mass of planet and radius of the planet. The two different planets have same escape velocity, when these quantities (mass and radius) are equal.
