Contribute & Test Your Skills
- Unit, Dimension & Measurement
- Motion In One Dimension
- Thermodynamics
- Work, Energy & Power
- Rotational Motion
- Gravitation
- Laws of Motion
- Properties of Solids & Liquids
- Electronic Devices
- Kinetic Theory of Gases
- Wave Motion
- Communication Systems
- Current Electricity & Heating Effect
- Magnetic Effects of Current & Magnetism
- Electromagnetic Induction & Alternating Currents
- Electromagnetic Waves
- Optics Photometry
- Transmission of Heat
- Electrostatics
- Atomic Structure
- Mechanical Properties of Fluids
- Thermal Properties of Matter
- Circular Motion
- Projectile Motion
- Friction
- Properties of Bulk Matter
- Surface Tension
- Simple Harmonic Motion
- Capacitor
- Alternating Current
- Electron, Photon & X-Ray
- Nuclear Physics
- Valve Electronics
- Optical Instrument
- Reflection of Light
- Refraction of Light
- Wave Optics
- Mathematics In Physics
Popular Questions
- Even carnot engine cannot give 100% efficiency
- In a given process for an ideal gas, dW=0 and dQ<0 then for the gas
- Two moles of an ideal helium gas are in a rubber balloon at 30 degree C The balloon is fully expandable and can be assumed to requ..
- The amount of heat given to system is 35 joules
- During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of the volume. The..
- Two cylinders A and B fitted with pistons, contain equal number of moles of an ideal monoatomic gas at 400 K. The piston of A is f..
- A metal ball immersed in alcohol weighs W1 at 0 degree C and W2 at 50 degree C. The coefficient of expansion of cubical the metal ..
- A pendulum clock loses 12 s a day if the temperature is 40°C
- If Q, E and W heat added change in internal energy and the work done
- A gas at state A changes to state B through path I and II shown in figure. The change in internal energy is AU1 and AU2, respectiv..
- Changing the state of thermodynamics from A to B state
- Which of the following is not a thermodynamics co-ordinate
- System gives 300 calories of heat and 600 joules of work.
- heat given to a body which raises its temperature by 1°C
- The container of volume 1m cube is divided One of these compartments contains
- A wall has two layers A and B, each made of different material. Both the layers have the same thickness. The thermal conductivity ..
- 100 g of water is heated from 30 degree C to 50 degree C. Ignoring the slight expansion of the water, the change in its internal e..
- When two bodies A and B are in thermal equilibrium
- An ideal monatomic gas is taken round the cycle ABCDA as shown in the P - V diagram (see Fig.). The work done during the cycle is
- For free expansion of the gas which of the following is true
- 310 J of heat is required to raise the temperature of 2 moles of an ideal gas at constant pressure from 25 degree C to 35 degree C..
- If Q and W represent the heat supplied
- Find volume constant and pressure constant
- The internal energy of an ideal gas depends upon
- If Q and W represent the heat supplied to the system
- First law of thermodynamics
- The specific heat of a solid at low temperature shows
- First law of thermodynamics is based on
- The latent heat of vaporisation of water
- A gas is enclosed in a cylinder with movalbe friction
- a constant volume gas thermometer
- Which of the following can not determine the state of a thermodynamics system
- A perfect gas contained in a cylinder
- A system performs work when an amount of heat added
- Which of the following parameters does not characterise the thermodynamic state of matter?
- In a given process on an ideal gas ,dW =0 and dQ <0.
- A thermodynamic state of a given sample of an ideal gas is completely described, if its
- If 150 J of heat is added to a system and the work done by the system is 110 J, then change in internal energy will be
- Given samples of 1c.c of hydrogen and 1c.c of oxygen
- A thermodynamical system is changed from state (p1, V1) to (p2, V2) by two different processes, the quantity which will remain sam..
