Download App

8. mechanical properties of solids — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics8. mechanical properties of solids1 Mark
MCQ
The work done in stretching an elastic wire per unit volume is 
  • A
    $Stress$ $ \times $ $Strain$
  • ✓
    $\frac{1}{2} \times $$Stress$ $ \times $$Strain$
  • C
    $2 \times {\rm{strain}} \times {\rm{stress}}$
  • D
    $Stress$$/$$Strain$
✓

Answer

Correct option: B.
$\frac{1}{2} \times $$Stress$ $ \times $$Strain$
b
(b) Factual question. $u=\frac{1}{2}$ stress $\times$ strain

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 8. mechanical properties of solids→8. mechanical properties of solids — all question types→Physics STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

In an isothermal expansion
→
Beats are produced by two waves ${y_1} = a\sin 1000\,\pi t,$ ${y_2} = a\sin 998\pi t$The number of beats heard/sec is
→
Two points on a travelling wave having frequency $500\, Hz$ and velocity $300\, m/s$  are $60^o$ out of phase, then the minimum distance between the two points is ..... $m$
→
Static friction between two surfaces
→
Which of the following is not an assumption for an ideal fluid flow for which Bernoulli's principle is valid
→
A block of mass $10\,kg$ is moving along $x$-axis under the action of force $F=5 x\; N$. The work done by the force in moving the block from $x =2\,m$ to $4\,m$ will be ............$J$.
→
No other thermometer is as suitable as a platinum resistance thermometer to measure temperature in the entire range of
→
A ball is dropped from the roof of a tower of height $h$. The total distance covered by it in the last second of its motion is equal to the distance covered by it in first three seconds. The value of $h$ in meter is  $(g = 10\,m/s^2)$
→
A neutron star with magnetic moment of magnitude $m$ is spinning with angular velocity $\omega$ about its magnetic axis. The electromagnetic power $P$ radiated by it is given by $\mu_{0}^{x} m^{y} \omega^{z} c^{u}$, where $\mu_{0}$ and $c$ are the permeability and speed of light in free space, respectively. Then,
→
A body of mass $(5 \pm 0.5) kg$ is moving with a velocity of $(20 \pm 0.4) m / s$. Its kinetic energy will be
→