JEE Main & Advanced
Physics
Gravitation / गुरुत्वाकर्षण
JEE PYQ-Gravitation
question_answer
Which of the following most closely depicts the correct variation of the gravitation potential V(r) due to a large planet of radius R and uniform mass density? (figures are not drawn to scale) [JEE MAIN 11-04-2015]
A)
B)
C)
D)
Correct Answer:
B
Solution :
[b] Potential V(r) due to large planet of radius R is given by