Following figure shows two processes A and B for a gas. If ΔQₐ and ΔQᵦ are the amount of heat absorbed by the system in two cases, and ΔUₐ and ΔUᵦ are changes in internal energies, respectively then :
Initial and final states for both the processes are same,
∴ ΔUA = ΔUB
Work done during process A is greater than in process B. Because area is more by First law of thermodynamics
ΔQ = ΔU + W
⇒ ΔQA > ΔQB
A bimetallic strip consists of metals X and Y. It is mounted rigidly at the base
NextA gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature
A steel rod of length 25 cm has a cross-sectional area of 0.8 cm². The force required to stretch thi
MediumThe respective displacements (in cm) of two particles of a medium disturbed by a wave propagating at
MediumA system is shown in the figure. The time period for SHM of the two blocks will be:
MediumA gas mixture consists of 2 moles of oxygen and 4 moles of argon at temperature T. Neglecting all vi
MediumA bimetallic strip consists of metals X and Y. It is mounted rigidly at the base as shown in the fig
MediumA planet has twice the density of earth but the acceleration due to gravity on its surface is exactl
Practice Physics Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams