MCQ
In isothermic process, which statement is wrong
- ATemperature is constant
- BInternal energy is constant
- ✓No exchange of energy
- D$(a)$ and $(b)$ are correct
✓
Answer
Correct option: C.
No exchange of energy
c
(c)In isothermal process, exchange of energy takes place between system and surrounding to maintain the system temperature constant.
(c)In isothermal process, exchange of energy takes place between system and surrounding to maintain the system temperature constant.
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
In Young’s expt., the distance between two slits is $\frac {d}{3}$ and the distance between the screen and the slits is $3\,D$. The number of fringes in $\frac {1}{3}\,m$ on the screen, formed by monochromatic light of wavelength $3\,\lambda $, will be
→With the usual notations, the following equation ${S_t} = u + \frac{1}{2}a(2t - 1)$ is
→An air bubble in a glass slab with refractive index $1.5$ (near normal incidence) is $5\,\, cm$ deep when viewed from one surface and $3\,\, cm$ deep when viewed from the opposite face. The thickness (in $cm$) of the slab is
→The ammeter has range $1\, ampere$ without shunt. the range can be varied by using different shunt resistances. The graph between shunt resistance and range will have the nature
→A charged particle is released from rest in a region of uniform electric and magnetic fields which are parallel to each other. The particle will move on a
A thermodynamic system is taken through the cycle $ABCD$ as shown in figure. Heat rejected by the gas during the cycle is
→$Assertion :$ Smaller drops of liquid resist deforming forces better than the larger drops
$Reason :$ Excess pressure inside a drop is directly proportional to its surface area.
→$Reason :$ Excess pressure inside a drop is directly proportional to its surface area.
The energy gap of silicon is $1.14 \ eV$. The maximum wavelength at which silicon will begin absorbing energy is.....$Å$
→Two particles of masses $m_1, m_2$ move with initial velocities $u_1$ and $u_2$ On collision, one of the particles get excited to higher level, after absorbing energy $\varepsilon $. If final velocities of particles be $v_1$ and $v_2$ then we must have
→A $U-$tube contains water and methylated spirit separated by mercury. The mercury columns in the two arms are in level with $10.0\; cm$ of water in one arm and $12.5\; cm $ of spirit in the other. if $15.0\; cm$ of water and spirit each are further poured into the respective arms of the tube, what is the difference in the levels (in $cm$) of mercury in the two arms?
→(the specific gravity of spirit is $0.8.)$