JEE Main & Advanced
Physics
Gravitation / गुरुत्वाकर्षण
Question Bank
Graphical Questions
question_answer
Assuming the earth to have a constant density, point out which of the following curves show the variation of acceleration due to gravity from the centre of earth to the points far away from the surface of earth [AMU (Engg.) 2000]
A)
B)
C)
D)None of these
Correct Answer:
C
Solution :
\[g\propto r\] \[(\text{if }r<R)\] and \[g\propto \frac{1}{{{r}^{2}}}\] (if r > R)