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Rotational Motion question

2003 · Shift 0 · Q148

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JEE Main
Physics
Rotational Motion
2003 · Shift 0 · Q148

Rotational Motion question

2003 · Shift 0 · Q148

JEE MainPhysicsRotational MotionMCQ+4 / −1

A circular disc

X

of radius

R

is made from an iron plate of thickness

t,

and another disc

Y

of radius

4R

is made from an iron plate of thickness

{t \over 4}.

Then the relation between the moment of inertia

{I_X}

and

{I_Y}

is

A
${I_Y} = 32{I_X}$
B
${I_Y} = 16{I_X}$
C
${I_Y} = {I_X}$
D
${I_Y} = 64{I_X}$

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