MCQ
Which of the following statements is correct
  • Hooke's law is applicable only within elastic limit
  • B
    The adiabatic and isothermal elastic constants of a gas are equal
  • C
    Young's modulus is dimensionless
  • D
    Stress multiplied by strain is equal to the stored energy

Answer

Correct option: A.
Hooke's law is applicable only within elastic limit
a
(a) In accordance with Hooke’s law.

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

Similar questions

The potential energy of a body of mass $m$ is given by $U = ax + by$, where $x$ and $y$ are the position coordinates of the particle. The acceleration of the particle is
Two soap bubbles $\mathrm{A}$ and $\mathrm{B}$ are kept in a closed chamber where the air is maintained at pressure $8 \mathrm{~N} / \mathrm{m}^2$. The radii of bubbles $\mathrm{A}$ and $\mathrm{B}$ are $2 \mathrm{~cm}$ and $4 \mathrm{~cm}$, respectively. Surface tension of the soap-water used to make bubbles is $0.04 \mathrm{~N} / \mathrm{m}$. Find the ratio $n_{\mathrm{B}} / n_{\mathrm{A}}$, where $n_{\mathrm{A}}$ and $n_{\mathrm{B}}$ are the number of moles of air in bubbles $\mathrm{A}$ and $\mathrm{B}$, respectively. [Neglect the effect of gravity.]
Two bodies $A$ and $B$ of equal masses, area and emissivity cooling under Newton's law of cooling from same temperature are represented by the graph. If $\theta$ is the instantaneous temperature of the body and $\theta_0$ is the temperature of surroundings, then relationship between their specific heats is ..........
In an isothermal expansion
Under the action of a force, a $2 \,kg$ body moves such that its position $x$ as a function of time $t$ is given by $x=\frac{t^2}{3}$, where $x$ is in metres and $t$ in seconds. The workdone by the force in first two seconds is .......... $J$
Obtain the dimensional equation for universal gas constant.
What will be the nature of flow of water from a circular tap, when its flow rate increased from $0.18\, L / min$ to $0.48\, L / min$ ? The radius of the tap and viscosity of water are $0.5\, cm$ and $10^{-3}\, Pa s$, respectively.

(Density of water : $10^{3}\, kg / m ^{3}$ )

The velocity-time graph of a particle moving with initial velocity u and uniform acceleration a is:
Surface tension is due to:
A tyre kept outside in sunlight bursts off after sometime because of