Class 12 Physics Important Questions | Chapter 3 Kinetic Theory Of Gases And Radiation

Here we have a given Class 12 Physics Important Questions for Maharashtra Board HSC Examination 2023. Every students want to score good marks in Class 12 Board Exam,but number of students don't know how to score good marks. Dear students, given following questions had been asked in earlier HSC Board Examinations. From this post, you will know which type of questions had been asked in earlier Board Exams and same questions or same type of questions will be asked in your upcoming examination. If you study all these questions, you will get very good marks in your board examinations, Because so many questions from the following given questions will be asked in your upcoming examination.Therefore go through our Class 12 Physics Important Questions which are given in chapter-wise manner and simply try to solve these questions to score very good marks in Physics and obviously, you will! Best wishes to all dear students for your upcoming Maharashtra State Board Exam 2023.

यहां हमारे पास महाराष्ट्र बोर्ड HSC परीक्षा 2023 के लिए कक्षा 12वीं के Physics के महत्वपूर्ण प्रश्न दिए गए हैं। प्रत्येक छात्र कक्षा 12वीं की बोर्ड परीक्षा में अच्छे अंक प्राप्त करना चाहते हैं, लेकिन कई छात्र यह नहीं जानते कि अच्छे अंक कैसे प्राप्त करें। प्रिय छात्रों, नीचे दिए गए प्रश्न पिछले एचएससी बोर्ड परीक्षाओं में पूछे गए थे। इस पोस्ट से आप जानेंगे कि पिछली बोर्ड परीक्षाओं में किस प्रकार के प्रश्न पूछे गए थे और आपकी आगामी परीक्षा में भी इसी प्रकार के प्रश्न पूछे जाएंगे। यदि आप इन सभी प्रश्नों का अध्ययन करते हैं, तो आप अपनी बोर्ड परीक्षाओं में बहुत अच्छे अंक प्राप्त करेंगे, क्योंकि निम्नलिखित दिए गए प्रश्नों में से बहुत सारे प्रश्न आपकी आगामी परीक्षा में पूछे जाएंगे। इसलिए हमारे कक्षा 12 के भौतिकी के महत्वपूर्ण प्रश्नों को देखें जो अध्याय में दिए गए हैं | फिजिक्स में बहुत अच्छे अंक प्राप्त करने के लिए इन प्रश्नों को बुद्धिमान तरीके से हल करने का प्रयास करें और जाहिर है, आप करेंगे! सभी प्रिय छात्रों को आपकी आगामी महाराष्ट्र राज्य बोर्ड परीक्षा 2023 के लिए शुभकामनाएं।



Class 12 Physics Important Questions | Chapter 3 Kinetic Theory Of Gases And Radiation

• Show that r.m.s. velocity of a gas molecule is directly proportional to the square root of the absolute temperature of the gas. (March 2013, March 2014, March 2017)

• Draw a neat labelled diagram for ferry's perfectly black body. (March 2013, July 2018)

Calculate the kinetic energy of 10 grams of Argon molecules at 127 °C. [Universal gas constant R = 8320 J/k mole K. Atomic weight of Argon = 40] (March 2013)

The kinetic energy of nitrogen per unit mass at 300K is 2.5 x 106 J/Kg. Find the kinetic energy of 4 kg oxygen at 600 K. [Molecular weight of nitrogen = 28, Molecular weight of oxygen 32] (Oct 2013)

• Show graphical representation of energy distribution spectrum of perfectly blackbody. (March 2014)


• State Wien's displacement law. (March 2015)

Calculate the average molecular kinetic energy:
i. per kilomole,
ii. per kilogram, of oxygen at 27 °C. [R = = 8320 J/k mole K, Avogadro's number = 6.03 x 1026 molecules/K. mole] (March 2015)

• Compute the temperature at which the r.m.s. speed of Nitrogen molecules is 832 m/s. [Universal gas constant = 8320 J/k mole K, Molecular weight of Nitrogen = 28.] (Oct 2015)

• Define 'emissive power' and 'coefficient of emission' of a body. (March 2016)

• Prove Kirchhoff's law of radiation theoretically. (July 2017)

• What is perfectly black body? Explain Ferry's black body. (March 2019)

• State and prove the Kirchhoff's law of radiation theoretically. (July 2019)

• State Boyle's law. On the basis of kinetic theory of gases, obtain an expression for kinetic energy per unit volume of gas. (July 2019)

• Explain energy distribution spectrum of a black body radiation in terms of wavelength. (March 2020)


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