MCQ
$M{L^{ - 1}}{T^{ - 2}}$ represents
- AStress
- BYoung's Modulus
- CPressure
- ✓All the above three quantities
✓
Answer
Correct option: D.
All the above three quantities
d
Here stress $=f / A$
Here stress $=f / A$
Pressure $=f / A$
So, $[$ stress $]=[$ Pressuue $]=\left[M L^{-1} T^{-2}\right]$
Hiso, $Y=\frac{\text { stress }}{\text { strain }}$ (strain is dimensionliss)
$\therefore Y=f / A=\left[M L^{-1} T^{-2}\right]$
$\therefore$ All the there has seme dimenion equals $\left[ HL ^{-1} T^{-2}\right]$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A copper rod of cross-sectional area $A$ carries a uniform current $I$ through it. At temperature $T$, if the volume charge density of the rod is $\rho $, how long will the charges take to travel a distance $d$ ?
→The ratio of the distances travelled by a freely falling body in the $1^{\text {st }}, 2^{\text {nd }}, 3^{\text {rd }}$ and $4^{\text {th }}$ second :
→The reverse breakdown voltage of a Zener diode is $5.6\, V$ in the given circuit. The current $I_z$ through the Zener is......$mA$
→An expression for a dimensionless quantity $P$ is given by $P=\frac{\alpha}{\beta} \log _{e}\left(\frac{ kt }{\beta x }\right)$; where $\alpha$ and $\beta$ are constants, $x$ is distance ; $k$ is Boltzmann constant and $t$ is the temperature. Then the dimensions of $\alpha$ will be
→In a $P-N$ junction diode if $P$ region is heavily doped than n region then the depletion layer is
→The temperature of a hypothetical gas increases to $\sqrt 2 $ times when compressed adiabatically to half the volume. Its equation can be written as
→$A$ reflecting surface is represented by the equation $Y = \frac{{2L}}{\pi }\,\sin \left( {\frac{{\pi \,x}}{L}} \right)$ , $0 \leq x \leq L$. A ray travelling horizontally becomes vertical after reflection. The coordinates of the point $(s)$ where this ray is incident is ?
→Specific heats of monoatomic and diatomic gas is same than which relation is valid
A packet contains silver powder of mass $20.23 \,g \pm 0.01 \,g$. Some of the powder of mass $5.75 \,g \pm 0.01 \,g$ is taken out from it. The mass of the powder left back is ................
→A man can see the object between $15\, cm$ and $30\, cm$. He uses the lens to see the far objects. Then due to the lens used, the near point will be at........$cm$
→