MCQ
The dimensions of stress are equal to
  • A
    Force
  • Pressure
  • C
    Work
  • D
    $\frac{1}{\text { Pressure }}$

Answer

Correct option: B.
Pressure
(b) $[$ Pressure $]=[$ stress $]=\left[M L^{-1} T^{-2}\right]$

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

Image formed by a concave mirror of focal length $6 \mathrm{~cm}$, is $3$ times of the object, then the distance of object from mirror is
An iron tyre is to be fitted on to a wooden wheel $1 \mathrm{~m}$ in diameter. The diameter of tyre is $6 \mathrm{~mm}$ smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (the coefficient of cubical expansion of iron is $3.6 \times 10 \%$
A particle experiences a constant acceleration for $20 sec$ after starting from rest. If it travels a distance $S_1$ in the first $10 sec$ and a distance $S_2$ in the next $10 sec$, then
A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence of $45^{\circ}$. The ray undergoes total internal reflection. If $n$ is the refractive index of the medium with respect to air, select the possible value $(s)$ of $n$ from the following
A bomb of mass $3.0 \mathrm{Kg}$ explodes in air into two pieces of masses $2.0 \mathrm{kg}$ and $1.0 \mathrm{~kg}$. The smaller mass goes at a speed of $80 \mathrm{~m} / \mathrm{s}$. The total energy imparted to the two fragments is
Two cars are moving on two perpendicular roads towards a crossing with uniform speeds of $72 \mathrm{~km} / \mathrm{hr}$ and $36 \mathrm{~km} / \mathrm{hr}$. If first car blows horn of frequency $280 \mathrm{~Hz}$, then the frequency of horn heard by the driver of second car when line joining the cars make $45^{\circ}$ angle with the roads; will be
A batsman hits a sixer and the ball touches the ground outside the cricket ground. Which of the following graph describes the variation of the cricket ball's vertical velocity $v$ with time between the time $t_1$ as it hits the bat and time $t$ when it touches the ground
A particle which has zero rest mass and non-zero energy and momentum must travel with a speed
The radius of the Bohr orbit in the ground state of hydrogen atom is $0.5 \mathring A$. The radius of the orbit of the electron in the third excited state of $He ^{+}$will be
A rubber cord catapult has cross-sectional area $25 mm ^2$ and initial length of rubber cord is $10 cm$. It is stretched to $5 cm$. and then released to project a missile of mass $5 gm$. Taking $Y_{\text {rubber }}=5 \times 10^8 N / m ^2$ velocity of projected missile is