Class 11PhysicsMechanical Properties of SolidsBasic of Elasticity, Stress and Strain relationship and Graphical analysis
Easy$A$ rod is placed on a smooth horizontal surface. What is the stress developed when the temperature is increased by $40\,^{\circ}C$?
$[\alpha = 5\, \times\, 10^{-5}\,^{\circ}C^{-1},\, Y = 5\, \times\, 10^{11}\, N/m^2]$
$[\alpha = 5\, \times\, 10^{-5}\,^{\circ}C^{-1},\, Y = 5\, \times\, 10^{11}\, N/m^2]$
- A$10^9\, N/m^2$
- B$2\, \times\, 10^9\, N/m^2$
- C$10^{11}\, N/m^2$
- DZero
Explore More
Similar Questions
If a string,suspended from the ceiling,is given a downward force $F_1$,its length becomes $L_1$. Its length becomes $L_2$ if the downward force is $F_2$. What is its actual length?
DifficultWBJEE 2022
View SolutionMatch the physical quantities in Column-$I$ with the details given in Column-$II$ appropriately:
Column-$I$ Column-$II$ $(a)$ $\text{Stress} \propto \text{Strain}$ $(i)$ $M^1 L^{-1} T^{-2}$ $(b)$ $\text{Dimensional formula for compressibility}$ $(ii)$ $M^{-1} L^1 T^2$ $(iii)$ $\text{Poisson's ratio}$ $(iv)$ $\text{Hooke's law}$
| Column-$I$ | Column-$II$ |
|---|---|
| $(a)$ $\text{Stress} \propto \text{Strain}$ | $(i)$ $M^1 L^{-1} T^{-2}$ |
| $(b)$ $\text{Dimensional formula for compressibility}$ | $(ii)$ $M^{-1} L^1 T^2$ |
| $(iii)$ $\text{Poisson's ratio}$ | |
| $(iv)$ $\text{Hooke's law}$ |
Easy
View SolutionTwo equal and opposite forces are exerted on a bar (rod) as shown in the figure. The plane $PQ$ makes an angle $\theta$ with the cross-section $PR$ (having area $a$). Find the tensile stress on the plane $PQ$.
Medium
View Solution$A$ bar of cross-sectional area $A$ is subjected to two equal and opposite tensile forces at its ends as shown in the figure. Consider a plane $BB'$ making an angle $\theta$ with the length. The ratio of tensile stress to the shearing stress on the plane $BB'$ is
Difficult
View SolutionWhich of the following is the correct pair?
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo