Two wires are made of the same material and have the same volume. However wire … has cross-sectional area … and wire … has cross-sectional area … If the length of wire … increases by … on applying force … how much force is needed to stretch wire … by the same amount?

Option C. As shown in the figure, the wires will have the same Young's modulus (same material) and the length of the wire of area of cross-section … will be … (same volume as wire …).

Properties of Matter

JEE Main 2009 · Annual, Paper 1 · Q7926

PhysicsMedium148×since 2002Q7926

Two wires are made of the same material and have the same volume. However wire

1

has cross-sectional area

A

and wire

2

has cross-sectional area

3A.

If the length of wire

1

increases by

\Delta x

on applying force

F,

how much force is needed to stretch wire

2

by the same amount?

Properties of Matter

JEE Main 2009 · Annual, Paper 1 · Q7926

PhysicsMedium148×since 2002Q7926

Two wires are made of the same material and have the same volume. However wire

1

has cross-sectional area

A

and wire

2

has cross-sectional area

3A.

If the length of wire

1

increases by

\Delta x

on applying force

F,

how much force is needed to stretch wire

2

by the same amount?

Properties of Matter

More on Properties of Matter

Properties of Matter

More on Properties of Matter