Heat and Thermodynamics · 2019 · 9 Jan · Shift 1
4 Physics questions from this JEE Main paperGuest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
Heat and Thermodynamics · 2019 · 9 Jan · Shift 1
4 Physics questions from this JEE Main paper
- Q49.A rod, of length L at room temperature and uniform area of cross section A, is made of a metal having coefficient of linear expansion /oC. It is observed that an external compressive force F, is applied on each of its ends,…Physics · Heat and Thermodynamics · MCQ
- Q50.A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used 60 J of heat flows into the system and 30 J of work is done by the system. If path ADB is used work done by the system is 10 J. The heat Flow… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q65.Temperature difference of 120oC is maintained between ends of a uniform rod AB of length 2L. Another bent rod PQ, of same cross-section as AB and length is connected across AB (see figure). In steady state, temperature… Includes diagramPhysics · Heat and Thermodynamics · MCQ
- Q72.A mixture of 2 moles of helium gas (atomic mass = 4 u), and 1 mole of argon gas (atomic mass = 40 u) is kept at 300 K in a container. The ratio of their rms speeds …Physics · Heat and Thermodynamics · MCQ