Physics
- Year 2023
- Questions 18
- Maximum Marks 150
- Duration 3 Hours
- Languages English & Hindi
Exam Details
| Detail | Information |
|---|---|
| Examination | Post Graduate Teachers (PGTs) Subject Knowledge Test |
| Year | 2023 |
| Paper | Physics |
| Subject | Physics |
| Duration | 3 Hours |
| Maximum Marks | 150 |
| Number of Questions | 18 |
| Question Type | Descriptive / Subjective |
This document combines Page 1 (header, paper details, and instructions for Physics PGTs 2023, PHY15) with Page 2 (OCR-repaired objective questions preview). Page 1 records the exam name, paper code PHY15, time 3 hours, maximum marks 150, and total questions 18 with a directive to attempt 15. Languages documented are English and Hindi. Page 2 provides repaired content including a set of descriptive items covering pendulum dynamics, FET operating points, adiabatic gas temperature changes, Legendre transformations with Hamilton's equations, Einstein's mass-energy relation, mean free path, and Maxwell's equations in integral form. The combined content informs the SEO metadata, an objective questions preview, a robust FAQ, and expanded topic/keyword tags to improve discoverability for Haryana region government job papers and Physics PGTs 2023. Topics emphasized include pendulum physics, electronics, thermodynamics, transformations in analytical mechanics, relativity, kinetic theory, and electromagnetism, aligning with the OCR-provided stems and repair words.
Major Topics Covered
- Pendulum
- Compound pendulum
- Simple pendulum
- FET circuit
- Operating point
- Gas adiabatic expansion
- Adiabatic process
- Legendre transformation
- Hamilton's canonical equations
- Einstein mass-energy relation
- Mean free path
- Maxwell's equations
- Integral form of Maxwell's equations
- Thermodynamics
- Kinetic theory
- Relativity
- Electromagnetism
- Analytical mechanics
- Electronics
- Physics education (PGT)
Why This Paper is Important
- Useful for Post Graduate Teachers (PGTs) Subject Kn preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
Related Resources
Instructions
- There are eighteen (18) questions in all. 1 Broilean Legendre's transformations.
- Candidate has to attempt any fifteen (15) questions in all. 2 Marks assigned to each question/part are given against it. 3 Word limit in questions, wherever specified should be adhered to. 4 Attempts of questions shall be counted sequential order.
- Unless struck off, attempt 5 of a question shall be counted even if attempted partly.
- Any page or portion of the page left blank in the answer booklet must be clearly struck off.
- No extra/additional sheet will be provided. 6 Answer must be written in the authorized medium.
- No marks will be given for 7 tiswys:MuniaidO Ø1 answers written in a medium other than the authorized one. [Contd. .
Questions (page 2)
Q1. Derive an expression for the period of the period of a compound pendulum.
Q2. Determine the operating point (VGSQ, IDQ), VDS, Vs, VG and VD for the 10 \overline2 following FET circuit.
Q3. Prove that fall in temperature of the gas during the adiabatic expansion 10 3 from P1 to P2 at temperature T is given as dT = \(T)/(cn) \\(\\partial V)/(\\partial T)\)_p dP = \(TV\α)/(cn) dP.
Q4. Explain Legendre's transformations. Applying Legendre's transformations, 4 + 6 = 10 \overline4 obtain Hamilton's Canonical equations of motion.
Q5. Candidate has to atte Establish Einstein's mass-energy relation and discuss some of its 4+6=10 5 consequences.
Q6. What is meant by mean free path ? Show that if molecular diameter is 3 + 7 = 10 \\ddot{\\mathbf0} \σ and the molecular density is 'e' the mean free path of the molecules is given by = \(1)/(\π p \σ^2).
Q7. Obtain Maxwell's electromagnetic equations in the integral form.
Question paper preview
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Frequently asked questions
What is the subject of this paper?
Physics.
What is the paper code?
PHY15.
What is the exam year?
2023.
Which topics are covered in the paper?
Pendulum dynamics, FET/semiconductor circuit, thermodynamics/adiabatic processes, Legendre transformations and Hamilton's equations, Einstein's mass-energy relation, mean free path, and Maxwell's equations.
How many questions are there in the paper?
Eighteen (18) questions.
How many questions must a candidate attempt?
Any fifteen (15) questions.