A rod of length L is composed of a uniform length \frac{L}{2} of wood whose mass in m_w and a uniform length \frac{L}{2} of brass whose mass is m_b. The moment of inertia I of the rod about an axis perpendicular to the rod and through its centre is equal to

Correct Answer is : (mw+mb)L212

CGPET 2014 Solved Paper

Section: Physics

Question : 19 of 150

Marks: +1, -0

A rod of length L is composed of a uniform length ‌

of wood whose mass in mw and a uniform length ‌

of brass whose mass is mb. The moment of inertia I of the rod about an axis perpendicular to the rod and through its centre is equal to

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