Question
What are reversible and irreversible processes? Explain giving one example of each.
✓
Answer
Reversible Process: It is a process which can be made to proceed in two opposite directions with same ease, so that the system and surroundings pass through exactly the same intermediate state as in the direct process. e.g., An ideal gas allowed to expand slowly and then compressed slowly so as to reach its initial state. Irreversible Process: It is a process which can't be made to proceed in the reverse direction with the same ease and the system does not pass through the same intermediate states as in direct processes. e.g., Decay of organic matter, rusting of iron.
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
Define 'Radius of Gyration'. Derive an expression for it.
Time for $20$ oscillations of a pendulum is measured as $t_1 = 39.6s; t_2 = 39.9s; t_3 = 39.5s$. What is the precision in the measurements? What is the accuracy of the measurement?
→It is a common observation that rain clouds can be at about a kilometre altitude above the ground.
Estimate the order of magnitude force on umbrella. Typical lateral separation between two rain drops is 5cm. (Assume that umbrella is circular and has a diameter of 1m and cloth is not pierced through !!)
Estimate the order of magnitude force on umbrella. Typical lateral separation between two rain drops is 5cm. (Assume that umbrella is circular and has a diameter of 1m and cloth is not pierced through !!)
For a particle in S.H.M., the displacement x of the particle as a function of time t is given as $\text{x = A}\sin(2\pi\text{t}).$ Here x is in cm and t is in seconds.
Let the time taken by the particle to travel from x = 0 to $\text{x}=\frac{\text{A}}{2}$ be $T_1$ and the time taken to travel from $\text{x}=\frac{\text{A}}{2}$ to x = A be $T_2$. Find $\frac{\text{T}_1}{\text{T}_2}.$
→Let the time taken by the particle to travel from x = 0 to $\text{x}=\frac{\text{A}}{2}$ be $T_1$ and the time taken to travel from $\text{x}=\frac{\text{A}}{2}$ to x = A be $T_2$. Find $\frac{\text{T}_1}{\text{T}_2}.$
A straight horizontal wire of mass 10mg and length 1.0m carries a current of 2.0A. What minimum magnetic field B should be applied in the region, so that the magnetic force on the wire may balance its weight?
A planet moves around the sun in a circular orbit. The time period of revolution $T$ of the planet depends on
→- Radius of the orbit $(R)$.
- Mass of the sun $M$.
- Gravitational constant $G$.
A cricket bowler releases the ball in two different ways.
→- Giving it only horizontal velocity, and
- Giving it horizontal velocity and a small downward velocity. The speed $v_s$ at the time of release is the same. Both are released at a height $H$ from the ground. Which one will have greater speed when the ball hits the ground? Neglect air resistance.
Two capacitors of capacitances $4.0\mu\text{F}$ and $6.0\mu\text{F}$ are connected in series with a battery of 20V. Find the energy supplied by the battery.
→Find the displacement of a simple harmonic oscillator at which its PE is half of the maximum energy of the oscillator.
Four identical rods $A B, C D, C F$ and $D E$ are joined as shown in figure. The length, cross-sectional area and thermal conductivity of each rod are $\mathrm{I}, \mathrm{A}$ and K respectively. The ends $\mathrm{A}, \mathrm{E}$ and F are maintained at temperatures $T_1, T_2$ and $T_3$ respectively. Assuming no loss of heat to the atmosphere, find the temperature at B .
→