Elastic Moduli
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369805 Copper of fixed volume \(\mathrm{V}\) is drawn into wire of length \(l\). When this wire is subjected to a constant force \(F\), the extension produced in the wire is \(\Delta l\). Which of the following graphs is a straight line?

1 \(\Delta l\) versus \(\dfrac{1}{l}\)
2 \(\Delta l\) versus \(l\)
3 \(\Delta l\) versus \(l^{2}\)
4 \(\Delta l\) versus \(\dfrac{1}{l^{2}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369806 When a weight of \(10\;kg\) is suspended from a copper wire of length \(3\;m\) and diameter \(0.4\;mm,\) its length increases by \(2.4\;cm.\) If the diameter of the wire is doubled, then the extension in its length will be

1 \(7.6\;cm\)
2 \(4.8\;cm\)
3 \(1.2\;cm\)
4 \(0.6\;cm\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369807 A wire of length ' \(l\) ' and radius ' \(r\) ' is clamped rigidly at one end. When the other end of the wire is pulled by a force ' \(F\) ', its length increases by ' \(x\) '. Another wire of same material of length ' \(2 l\) ' and radius ' \(2 r\) ' is pulled by a force ' \(2 F\) ', the increase in its length will be

1 \(x\)
2 \(2 x\)
3 \(x / 2\)
4 \(4 x\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369808 A wire of length '\(L\)' and radius '\(r\)' is clamped rigidly at one end. When the other end of the wire is pulled by a force \(F\), its length increases by '\(l\)'. Another wire of same material of length '\(2 L\)' and radius '\(2 r\)' is pulled by a force '\(2 F\)' Then the increase in its length will be

1 \(4 l\)
2 \(2 l\)
3 \(l\)
4 \(l / 2\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369809 The stress required to double the length of wire (or) to produce \(100 \%\) longitudinal strain is

1 \(\dfrac{Y}{2}\)
2 \(Y\)
3 \(3 Y\)
4 \(2 Y\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369805 Copper of fixed volume \(\mathrm{V}\) is drawn into wire of length \(l\). When this wire is subjected to a constant force \(F\), the extension produced in the wire is \(\Delta l\). Which of the following graphs is a straight line?

1 \(\Delta l\) versus \(\dfrac{1}{l}\)
2 \(\Delta l\) versus \(l\)
3 \(\Delta l\) versus \(l^{2}\)
4 \(\Delta l\) versus \(\dfrac{1}{l^{2}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369806 When a weight of \(10\;kg\) is suspended from a copper wire of length \(3\;m\) and diameter \(0.4\;mm,\) its length increases by \(2.4\;cm.\) If the diameter of the wire is doubled, then the extension in its length will be

1 \(7.6\;cm\)
2 \(4.8\;cm\)
3 \(1.2\;cm\)
4 \(0.6\;cm\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369807 A wire of length ' \(l\) ' and radius ' \(r\) ' is clamped rigidly at one end. When the other end of the wire is pulled by a force ' \(F\) ', its length increases by ' \(x\) '. Another wire of same material of length ' \(2 l\) ' and radius ' \(2 r\) ' is pulled by a force ' \(2 F\) ', the increase in its length will be

1 \(x\)
2 \(2 x\)
3 \(x / 2\)
4 \(4 x\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369808 A wire of length '\(L\)' and radius '\(r\)' is clamped rigidly at one end. When the other end of the wire is pulled by a force \(F\), its length increases by '\(l\)'. Another wire of same material of length '\(2 L\)' and radius '\(2 r\)' is pulled by a force '\(2 F\)' Then the increase in its length will be

1 \(4 l\)
2 \(2 l\)
3 \(l\)
4 \(l / 2\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369809 The stress required to double the length of wire (or) to produce \(100 \%\) longitudinal strain is

1 \(\dfrac{Y}{2}\)
2 \(Y\)
3 \(3 Y\)
4 \(2 Y\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369805 Copper of fixed volume \(\mathrm{V}\) is drawn into wire of length \(l\). When this wire is subjected to a constant force \(F\), the extension produced in the wire is \(\Delta l\). Which of the following graphs is a straight line?

1 \(\Delta l\) versus \(\dfrac{1}{l}\)
2 \(\Delta l\) versus \(l\)
3 \(\Delta l\) versus \(l^{2}\)
4 \(\Delta l\) versus \(\dfrac{1}{l^{2}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369806 When a weight of \(10\;kg\) is suspended from a copper wire of length \(3\;m\) and diameter \(0.4\;mm,\) its length increases by \(2.4\;cm.\) If the diameter of the wire is doubled, then the extension in its length will be

1 \(7.6\;cm\)
2 \(4.8\;cm\)
3 \(1.2\;cm\)
4 \(0.6\;cm\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369807 A wire of length ' \(l\) ' and radius ' \(r\) ' is clamped rigidly at one end. When the other end of the wire is pulled by a force ' \(F\) ', its length increases by ' \(x\) '. Another wire of same material of length ' \(2 l\) ' and radius ' \(2 r\) ' is pulled by a force ' \(2 F\) ', the increase in its length will be

1 \(x\)
2 \(2 x\)
3 \(x / 2\)
4 \(4 x\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369808 A wire of length '\(L\)' and radius '\(r\)' is clamped rigidly at one end. When the other end of the wire is pulled by a force \(F\), its length increases by '\(l\)'. Another wire of same material of length '\(2 L\)' and radius '\(2 r\)' is pulled by a force '\(2 F\)' Then the increase in its length will be

1 \(4 l\)
2 \(2 l\)
3 \(l\)
4 \(l / 2\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369809 The stress required to double the length of wire (or) to produce \(100 \%\) longitudinal strain is

1 \(\dfrac{Y}{2}\)
2 \(Y\)
3 \(3 Y\)
4 \(2 Y\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369805 Copper of fixed volume \(\mathrm{V}\) is drawn into wire of length \(l\). When this wire is subjected to a constant force \(F\), the extension produced in the wire is \(\Delta l\). Which of the following graphs is a straight line?

1 \(\Delta l\) versus \(\dfrac{1}{l}\)
2 \(\Delta l\) versus \(l\)
3 \(\Delta l\) versus \(l^{2}\)
4 \(\Delta l\) versus \(\dfrac{1}{l^{2}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369806 When a weight of \(10\;kg\) is suspended from a copper wire of length \(3\;m\) and diameter \(0.4\;mm,\) its length increases by \(2.4\;cm.\) If the diameter of the wire is doubled, then the extension in its length will be

1 \(7.6\;cm\)
2 \(4.8\;cm\)
3 \(1.2\;cm\)
4 \(0.6\;cm\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369807 A wire of length ' \(l\) ' and radius ' \(r\) ' is clamped rigidly at one end. When the other end of the wire is pulled by a force ' \(F\) ', its length increases by ' \(x\) '. Another wire of same material of length ' \(2 l\) ' and radius ' \(2 r\) ' is pulled by a force ' \(2 F\) ', the increase in its length will be

1 \(x\)
2 \(2 x\)
3 \(x / 2\)
4 \(4 x\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369808 A wire of length '\(L\)' and radius '\(r\)' is clamped rigidly at one end. When the other end of the wire is pulled by a force \(F\), its length increases by '\(l\)'. Another wire of same material of length '\(2 L\)' and radius '\(2 r\)' is pulled by a force '\(2 F\)' Then the increase in its length will be

1 \(4 l\)
2 \(2 l\)
3 \(l\)
4 \(l / 2\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369809 The stress required to double the length of wire (or) to produce \(100 \%\) longitudinal strain is

1 \(\dfrac{Y}{2}\)
2 \(Y\)
3 \(3 Y\)
4 \(2 Y\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369805 Copper of fixed volume \(\mathrm{V}\) is drawn into wire of length \(l\). When this wire is subjected to a constant force \(F\), the extension produced in the wire is \(\Delta l\). Which of the following graphs is a straight line?

1 \(\Delta l\) versus \(\dfrac{1}{l}\)
2 \(\Delta l\) versus \(l\)
3 \(\Delta l\) versus \(l^{2}\)
4 \(\Delta l\) versus \(\dfrac{1}{l^{2}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369806 When a weight of \(10\;kg\) is suspended from a copper wire of length \(3\;m\) and diameter \(0.4\;mm,\) its length increases by \(2.4\;cm.\) If the diameter of the wire is doubled, then the extension in its length will be

1 \(7.6\;cm\)
2 \(4.8\;cm\)
3 \(1.2\;cm\)
4 \(0.6\;cm\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369807 A wire of length ' \(l\) ' and radius ' \(r\) ' is clamped rigidly at one end. When the other end of the wire is pulled by a force ' \(F\) ', its length increases by ' \(x\) '. Another wire of same material of length ' \(2 l\) ' and radius ' \(2 r\) ' is pulled by a force ' \(2 F\) ', the increase in its length will be

1 \(x\)
2 \(2 x\)
3 \(x / 2\)
4 \(4 x\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369808 A wire of length '\(L\)' and radius '\(r\)' is clamped rigidly at one end. When the other end of the wire is pulled by a force \(F\), its length increases by '\(l\)'. Another wire of same material of length '\(2 L\)' and radius '\(2 r\)' is pulled by a force '\(2 F\)' Then the increase in its length will be

1 \(4 l\)
2 \(2 l\)
3 \(l\)
4 \(l / 2\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369809 The stress required to double the length of wire (or) to produce \(100 \%\) longitudinal strain is

1 \(\dfrac{Y}{2}\)
2 \(Y\)
3 \(3 Y\)
4 \(2 Y\)