JEE Main 7 Jan 2020 Shift 2 Solved Paper

Section: Physics

Question : 4 of 75

Marks: +1, -0

Mass per unit area of a circular disc of radius a depends on the distance r from its centre as σ (r) = A + Br. The moment of inertia of the disc about the the axis, perpendicular to the plane and passing through its centre is :

[7 Jan 2020 Shift 2]

2πa4(
A
4
+
aB
5
)
πa4(
A
4
+
aB
5
)
2πa4(
aA
4
+
B
5
)
2πa4(
A
4
+
B
5
)

Validate

Go to Question:

Prev Question

Next Question