Question
With rise in temperature, the Young's modulus of elasticity
✓
Answer
Conceptual questions
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
An electron of a stationary hydrogen atom transits from the fourth energy level to the ground level. The velocity of hydrogen atom acquired as a result of photon emission will be:-
$\{R =$ Rydberg constant, $m =$ mass of hydrogen atom $\}$
→$\{R =$ Rydberg constant, $m =$ mass of hydrogen atom $\}$
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
If there had been one eye of the man, then
A physical quantity $z$ depends on four observables $a,$ $b,$ $c$ and $d ,$ as $z =\frac{ a ^{2} b ^{\frac{2}{3}}}{\sqrt{ c } d ^{3}} .$ The percentage of error in the measurement of $a, b, c$ and $d$ are $2 \%, 1.5 \%, 4 \%$ and $2.5 \%$ respectively. The percentage of error in $z$ is$......\%$
→A conducting ring of radius $R$ is placed in uniform inward magnetic field $\vec B$ as shown. If ring is moving with velocity $\vec v$ in its plane, the induced $emf$ across arc $PQ$ will be
→In which of the following process, convection does not take place primarily
A vessel of depth $d$ is half filled with oil of refractive index $n_1$ and the other half is filled with water of refractive index $n_2$. The apparent depth of this vessel when viewed from above will be
→If the screw on a screw-gauge is given six rotations, it moves by $3\; \mathrm{mm}$ on the main scale. If there are $50$ divisions on the circular scale the least count of the screw gauge is
→The intensity of sound from a radio at a distance of $2$ metres from its speaker is $1 \times {10^{ - 2}}\mu \;W/{m^2}.$ The intensity at a distance of $10$ meters would be
→A current of two amperes is flowing through a cell of $e.m.f.$ $5\, volts$ and internal resistance $0.5\, ohm$ from negative to positive electrode. If the potential of negative electrode is $10\,V$, the potential of positive electrode will be .............. $V$
→