https://www.khanacademy.org/science/revision-term-2-jnv-physics-grade-11/x077d246dcd1fe558:week-2/x077d246dcd1fe558:thermodynamics/v/example-sign-of-work-heat-and-internal-energy 2023-05-02T21:08:26.186654054Z Example: Sign of work, heat and internal energy Let's solve some questions on signs of work, heat, and internal energy. Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Example: Sign of work, heat and internal energy Let's solve some questions on signs of work, heat, and internal energy. https://cdn.kastatic.org/ka-youtube-converted/CTEBl8aTMo8.mp4/CTEBl8aTMo8.mp4 429 Thermodynamics https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-laws-of-thermodynamics/e/sign-of-work-done-heat-and-change-in-internal-energy 2025-03-07T17:53:35.217025261Z Sign of work done, heat and change in internal energy Let's solve some problems to better understand how to find the sign of work done, heat and change in internal energy in thermodynamics. Aakash Bagga exercise https://www.khanacademy.org/science/ap-physics-2/x0e2f5a2c:thermodynamics/x0e2f5a2c:thermodynamic-processes/e/first-law-of-thermodynamics-word-problems 2025-03-07T17:53:35.217025261Z First law of thermodynamics: word problems Let's solve some problems to better understand how to apply the equation of the first law of thermodynamics. Aakash Bagga exercise https://www.khanacademy.org/science/revision-term-2-jnv-physics-grade-11/x077d246dcd1fe558:week-2/x077d246dcd1fe558:thermodynamics/v/worked-example-work-from-pv-diagram 2023-05-02T21:08:26.186654054Z Worked example: Work from PV diagram Let's go through some solved examples involving finding work using PV diagrams. Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Worked example: Work from PV diagram Let's go through some solved examples involving finding work using PV diagrams. https://cdn.kastatic.org/ka-youtube-converted/73I67kk62yY.mp4/73I67kk62yY.mp4 403 Thermodynamics https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-work-from-pv-graph-internal-energy/e/work-from-pv-diagrams 2026-04-08T00:54:09.631945657Z Work from PV diagrams Let's solve some problems to better understand how to find work using PV diagrams Aakash Bagga exercise https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-work-from-pv-graph-internal-energy/e/internal-energy 2026-04-07T22:23:57.656416987Z Internal energy Let's solve some problems to better understand how to find internal energy in thermodynamics problems. Aakash Bagga exercise https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-work-from-pv-graph-internal-energy/e/applications-of-first-law-cyclic-processes 2026-04-08T01:15:04.085520103Z Applications of first law - cyclic processes Let's solve some problems where we apply the first law of thermodynamics to cyclic processes. Aakash Bagga exercise https://www.khanacademy.org/science/revision-term-2-jnv-physics-grade-11/x077d246dcd1fe558:week-2/x077d246dcd1fe558:thermodynamics/v/worked-example-carnot-engine 2023-05-02T21:08:26.186654054Z Worked example: Carnot engine Let's go through some solved examples involving the formulae for Carnot Engine. Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Worked example: Carnot engine Let's go through some solved examples involving the formulae for Carnot Engine. https://cdn.kastatic.org/ka-youtube-converted/a6dZmdLYeIk.mp4/a6dZmdLYeIk.mp4 319 Thermodynamics https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-thermodynamic-processes/e/carnot-engine-basic 2025-03-07T17:53:35.217025261Z Carnot Engine (Basic) Let's solve some problems to better understand the Carnot engine. Aakash Bagga exercise https://www.khanacademy.org/science/in-in-class11th-physics/in-in-11th-physics-thermodynamics/in-in-thermodynamic-processes/e/carnot-refrigerator 2025-03-12T14:20:10.072734823Z Carnot Refrigerator Let's solve some problems to better understand how to solve problems involving a Carnot refrigerator. Aakash Bagga exercise