Download App

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

Gujarat BoardEnglish MediumSTD 11 SciencePhysics8. mechanical properties of solids1 Mark
MCQ
The interatomic distance for a metal is $3 \times {10^{ - 10}}\,m$. If the interatomic force constant is $3.6 \times {10^{ - 9}}\,N/{{\buildrel _{\circ} \over {\mathrm{A}}}}$, then the Young's modulus in $N/{m^2}$ will be
  • ✓
    $1.2 \times {10^{11}}$
  • B
    $4.2 \times {10^{11}}$
  • C
    $10.8 \times {10^{ - 19}}$
  • D
    $2.4 \times {10^{10}}$
✓

Answer

Correct option: A.
$1.2 \times {10^{11}}$
a
(a) $Y = \frac{{3.6 \times {{10}^{ - 9}}N/\mathop A\limits^o }}{{3 \times {{10}^{ - 10}}m}}$$ = 1.2 \times {10^{11}}N/{m^2}$

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→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

A player caught a cricket ball of mass $150\, gm$ moving at the rate of $20 \,m/sec$. if the catching process be completed in $ 0.1 \,sec$ the force of the blow exerted by the ball on the hands of player is  ........... $N$
→
In isothermic process, which statement is wrong
→
A body of mass $1\, kg$ begins to move under the action of a time dependent force  $\overrightarrow {\;F\;} = (2t\hat i + 3{t^2}\hat j$) $N$ where $\hat i$ and $\hat j$ are unit vectors along $x$ and $y$ axis. What power will be developed by the force at the time $t$?
→
A ring solid sphere and a disc are rolling down from the top of the same height, then the sequence to reach on surface is 
→
The mean radius of the earth is $R,$ its angular speed about its own axis is $o$ and the acceleration due to gravity at earth surface is $g.$ The cube of radius of orbit of 'geostationary satellite' will be:
→
Displacement x , of a body moving in one-dimensional motion depends on time $t$ as follows : $x=a_0+a_1 t+a_2 t^2+a_3 t^3$ where $a_0, a_1, a_2, a_3$ are fixed.
Then the correct statement is :
→
A metallic bar of Young's modulus, $0.5 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}$ and coefficient of linear thermal expansion $10^{-5}{ }^{\circ} \mathrm{C}^{-1}$, length $1 \mathrm{~m}$ and area of cross-section $10^{-3} \mathrm{~m}^2$ is heated from $0^{\circ} \mathrm{C}$ to $100^{\circ} \mathrm{C}$ without expansion or bending. The compressive force developed in it is :
→
$A$ sphere of mass $M$ and radius $R$ is attached by a light rod of length $l$ to $a$ point $P$. The sphere rolls without slipping on a circular track as shown. It is released from the horizontal position. the angular momentum of the system about $P$ when the rod becomes vertical is :
→
One mole of helium is adiabatically expanded from its initial state $({P_i},{V_i},{T_i})$ to its final state $({P_f},{V_f},{T_f})$. The decrease in the internal energy associated with this expansion is equal to
→
The kinematic equations of rectilinear motion for constant acceleration for a general situation, where the position coordinate at $t = 0$ is non$-$zero, say $x_0$ is:
→