Q1.
() Prove that the addition of two velocities cannot exceed the velocity of light in free space.
() सिद्ध कीजिये की मुक्त आकाश में किन्ही भी दो वेगों के संयोजन प्रकाश के वेग से अधिक नहीं हो सकता है
Physics 2023 Haryana HCS mains question paper (5330) Section A
- Year 2023
- Conducted By HPSC
- Maximum Marks 200
Exam Details
| Detail | Information |
|---|---|
| Examination | HCS (Ex.Br.) & Other Allied Services Mains Exam-2023 |
| Year | 2023 |
| Conducting Body | HPSC |
| Maximum Marks | 200 |
This page presents the Physics section of the Haryana HCS (Ex.Br.) & Other Allied Services Mains Exam-2023, paper code 5330. It includes Section A questions (1(a)–1(e), 2(a)–2(b)) covering key topics in electromagnetism, displacement current, Maxwell's equations invariance under Lorentz transformation, damping in oscillations, and boundary conditions at dielectric interfaces. The questions require both English and Hindi phrasing, with detailed descriptive answers. The OCR repair provides corrected stems, with clear division of sub-parts and inclusion of relevant formulas and concepts such as potential outside a grounded sphere, RC energy, and field boundary conditions.
Major Topics Covered
- Maxwell's Equations
- Displacement Current
- Lorentz Transformation
- Invariance in Electromagnetism
- Electric Field
- Electric Displacement D
- Boundary Conditions
- Dielectrics
- Interface of Dielectric Media
- Oscillations
- Damping
- RC Circuits
- Potential of a Point Charge
- Conducting Sphere
- Energy in Circuits
- Capacitance
- Electric Potential
- Relativity
- Special Relativity
- Electrostatics
Why This Paper is Important
- Useful for HCS (Ex.Br.) & Other Allied Services Mai preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
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Instructions
- 2023 Physics भौतिक विज्ञान Time: 3 hours Maximum Marks: 200 समय: 3 घंटे अधिकतम अंक : 200
- This paper is divided into two Sections, Section-A and Section-B. ये प्रश्नपत्र दो खंडों में विभाजित है, खंड-A और खंड-B
- Each Section contains four (4) questions. प्रत्येक खंड में चार प्रश्न है।
- Candidate has to attempt five questions in all. परीक्षार्थी को पांच प्रश्नों का उत्तर लिखना है।
- Question Nos. 1 and 5 are compulsory and out of the remaining, THREE questions are to be attempted choosing at least ONE question from each Section. प्रश्न संख्या 1 और 5 अनिवार्य है और शेष प्रश्नों में से किन्हीं तीन का उत्तर लिखना है, प्रत्येक खंड से एक प्रश्न को हल करना है।
- Word limit in questions, where specified, should be adhered to. प्रश्नों में शब्द सीमा, जहाँ विनिर्दिष्ट है, का अनुसरण किया जाना चाहिए।
- The number of marks carried by a question/part is indicated against it. प्रत्येक प्रश्न/ भाग के लिए नियत अंक उसके सामने दिए गए हैं।
- Questions are printed in English & Hindi languages.
- In case of any ambiguity in translation of any question, English version shall be treated as final. प्रत्येक प्रश्न हिन्दी और अंग्रेजी दोनों भाषाओं में छपा है। प्रश्नों के अनुवाद में किसी अस्पष्टता की स्थिति में, अंग्रेजी संस्करण को ही अन्तिम माना जाएगा। (1) Physics / 2023
Questions (page 2)
Q2.
() A point charge q is situated at a position r from the centre of a grounded conducting sphere of radius R (r > R). Determine the potential at any point outside the sphere.
() एक बिंदु आवेश q को R त्रिज्या के भूसम्पर्कित चालक गोले के केंद्र से स्थिति ने रखते है (r > R)। गोले के बाहर किसी बिंदुपर विद्युत विभव ज्ञात कीजिये |
Q3.
() A resistance R and a capacitor C are connected in series with an ideal cell of emf E at t = 0. Calculate the energy supplied by the cell and the energy loss in the circuit in a time equal to two time constants.
() समय t = 0 पर एक प्रतिरोध R तथा संधारित्र C विद्युत वाहक़ बल E के एक आदर्श सेल केसाथ श्रेणीक्रम मेंजोड़ते है। दो कालांक के तुल्य समय मेंसैल द्वारा प्रदत्त ऊर्जा तथा परिपथ में ऊर्जा हानि की गणना करो।
Q4.
() Define displacement current, hence deduce Maxwell's fourth equation using it.
() विस्थापन धारा को परिभाषित करो। इसके उपयोग से मैक्सवेल की चतुर्थ समीकरण प्रतिपादित करो।
Q5. 1(e) Prove invariance of Maxwell's equations under Lorentz transformation.
() Prove the invariance of Maxwell's equations under Lorentz transformation.
() लोरेंत्ज़ परिवर्तन के तहत मैक्सवेल समीकरण की अपरिवर्तनीयता सिद्ध करें।
Q6.
() A damped oscillator starts oscillating with amplitude of 40 cm. After 100 oscillations, its amplitude becomes 4 cm. If the time period of each oscillation is 2.3 sec, find its relaxation time and the damping coefficient.
() एक अवमंदित दोलक 40 सेमी आयाम के दोलन प्रारंभ करता है। 100 दोलन के पश्वात् इसका आयाम 4 सेमी हो जाताहै। यदि प्रत्येक दोलन का दोलन काल 2.3 सेकंड हो, तो इसका विश्रांति काल तथा अवमंदन गुणांक ज्ञात करो।
Q7.
() Discuss the boundary conditions for electric field E and electric displacement D at the interface of two homogeneous dielectric media. Prove that the electric field lines at the interface change according to ε1 cot θ1 = ε2 cot θ2, where θ1 and θ2 are the angles of the electric field directions from the common normal and ε1 and ε2 are the relative permittivities of the two media.
() दो समांगी परायैद्धुत माध्यमों केअंतरापृष्ठ पर विद्युत क्षेत्र E तथा विद्युत विस्थापन D के परिसीमा प्रतिबन्ध ज्ञात करो । सिद्ध कीजिये की अंतरापृष्ठ पर विद्युत क्षेत्र रेखाएं ε1 cot θ1 = ε2 cot θ2 के अनुसार परिवर्तित होती है, जहाँ θ1 तथा θ2 विद्युत क्षेत्र काउभनिष्ठ अभिलंब से झुकाव हैएवं ε1 तथा ε2 दोनों माध्यमों पर वैद्युतांक हैं।
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Frequently asked questions
What is the duration and total marks of the Physics paper?
Duration is 3 hours and maximum marks are 200.
How many sections are in this Physics paper?
There are two sections, Section A and Section B; this page contains Section A questions.
Which questions are compulsory in this paper?
Questions 1 and 5 are compulsory; five questions must be answered in total with at least one from each section.
In which languages are the questions printed?
The questions are printed in English and Hindi.
What topic does Q-1(a) cover?
Q-1(a) covers proving that the addition of two velocities cannot exceed the speed of light.
What topic does Q-1(b) cover?
Q-1(b) covers the potential outside a grounded conducting sphere due to a point charge.