Question
Distinguish between Young’s modulus, bulk modulus and modulus of rigidity.
✓
Answer
| No | Young’s modulus | Bulk modulus | Modulus of rigidity |
| i. | It is the ratio of longitudinal stress to longitudinal strain. | It is the ratio of volume stress to volume strain. | It is the ratio of shearing stress to shearing strain. |
| ii. | <p>It is given by, $Y =\frac{ MgL }{\pi r ^2 l}$</p> | <p>It is given by, $K =\frac{V d P}{d V}$</p> | <p>It is given by,<br />$<br />\eta=\frac{F}{A \theta}<br />$</p> |
| iii. | It exists in solids. | It exists in solid, liquid and gases. | It exists in solids. |
| iv. | It relates to change inlength of a body. | It relates to change in volume of a body. | It relates to change in shape of a body. |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Explain zero biased junction diode.
Suppose that the electric field amplitude of an electromagnetic wave is $E_0=120 N / C$ and that its frequency is $v=50.0 MHz. (i)$ Determine, $B_0, \omega, k$, and $\lambda. (ii)$ Find expressions for $\vec{E}$ and $\vec{B}$.
→A network of resistors is connected to a $14 V$ battery with internal resistance $1 Q$ as shown in the circuit diagram.
$i.$ Calculate the equivalent resistance,
$ii.$ Current in each resistor,
$iii.$ Voltage drops $V_{A B}, V_{B C}$ and $V_{D C}$.
→$i.$ Calculate the equivalent resistance,
$ii.$ Current in each resistor,
$iii.$ Voltage drops $V_{A B}, V_{B C}$ and $V_{D C}$.
A marble of mass 2m travelling at 6 cm/s is directly followed by another marble of mass m with double speed. After collision, the heavier one travels with the average initial speed of the two. Calculate the coefficient of restitution. [Ans: 0.5]
State the principle of work-energy theorem in case of a conservative force and explain.###Show that work done on a body by a conservative force is equal to the change in its kinetic energy
The value of $G$ in $\text{C.G.S}$ system is $6.67 \times 10^{-8} dyne \ cm^2 g^{-2}.$ Calculate its value in $\text{S.l.}$ system.
→State the conditions when electrons of a semiconductor can take part in conduction.
Explain how Newton concluded that gravitational force $F \propto=\frac{M m}{r^2}$
→The length, breadth and thickness of a rectangular sheet of metal are $4.234\ m, 1.005\ m,$ and $2.01\ cm$ respectively. Give the area and volume of the sheet to correct significant figures.
→Explain the pole strength and magnetic dipole moment of a bar magnet.