GATE Physics (PH) 2018 Question Paper, Answer Key & Paper Analysis

Last Updated - February 05 2018

IIT Guwahati has successfully organized GATE 2018 Physics (PH) on Feb 4.The questions asked in the Physics (PH) were conceptual on subjects like EMT, Quantum Mechanics, and Mathematical Physics. GATE marks are distributed for each section. 70% of the marks cover the core subject, i.e., Physics Engineering for this GATE Exam.

  • Physics involved around Linear vector space; matrices; vector calculus; linear differential equations; elements of complex analysis.
  • The official response keys are referred for evaluating GATE Scores. Based on official response keys, the result is declared.
  • GATE 2018 Result will be declared by March 17, 2018
  • Mostly questions are basics, fundamental, concept based and thought-provoking. Check GATE PH Paper Analysis

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GATE Response Key 2018 How to Download?

  1. Aspirants have to log into the GATE Online Application Processing System (GOAPS) by submitting their enrolment ID and password which was given at the time of registration.
  2. Click on the "View Answer" tab.
  3. A PDF will appear on the screen which would have the aspirant’s details and responses to each question asked in the GATE 2018 paper.
  4. Click on the link given on this page.
  5. Check the Instrumentation Engineering and download the relevant response key.
  6. After downloading the response key and save the file.

How to challenge GATE 2018 Response Key?

  1. Log into GATE Online Application Processing System.
  2. Go via the guidelines given cautiously.
  3. Agree by checking on declaration stating that guidelines for the aspirants of the GATE Response Key have been understood.
  4. Click on the “Contest Response Key" tab to be able to pay and mail objections concerned to the response.
  5. INR 500 has to be paid via the online portal offered for every question which has to be challenged.
  6. NRI aspirants of GATE will have to pay the US $ 10 per question being challenged.
  7. It is important to use the accurate question number given in the question paper to challenge.
  8. Attach a justified proof for challenging the response key.

GATE Physics (PH) 2018 Paper Analysis

General Aptitude: This section was compulsory. General Aptitude (GA) section included 10 questions. 5 questions out of these will carry 1 mark each, while the remaining 5 shall carry 2 marks each, for a total of 15 marks.

Engineering Mathematics section: This section was also mandatory.

Subject-specific section: This section included 70% of the exam paper.

Overall Difficulty Level

The difficulty level of the examination was between moderate and easy level. The total number of questions were not too much, thus running out of time was not a common problem among test takers. The problems were usually formula based, requiring little to no calculation.

Types of Questions

Multiple Choice Questions (MCQs)

These questions are objective type with each having a set of four options, out of which one is the accurate response. They carry 1 or 2 marks each in all papers and sections.

Numerical Response Type (NAT)

Similar to MCQs, each question carries either 1 or 2 marks. The response can be either an integer or a number with decimals or even a decimal number. The responses to these questions are usually numbers which the aspirant has to enter using a mouse and virtual keyboard. The aspirant will not be given any choices for these questions.

Marking Scheme

  • For 1-mark MCQs, 1/3 mark will be deducted for every inaccurate attempt.
  • There was no negative marking for numerical response type (NAT) questions
  • In case of 2-mark MCQs, the aspirant will be penalized 2/3 mark for the wrong attempt
  • For questions that aren’t attempted, zero marks will be honored.

GATE 2018 Cut off

The expected cut off marks for GATE 2018 Physics examination are given below:

Test Paper CodeQualifying MarksOrganizing Institute
Physics (PH)383228

GATE Physics (PH) Earlier Year Paper Analysis

The table below explains how much weight each topic from GATE physics had for the earlier years. GATE 2018 Physics candidates are advised to go via the table, so as to understand the distribution of marks among the various units.

UnitNumber of questions
1 mark2 marks1 mark2 marks1 mark2 marks
Mathematical Physics325222
Classical Mechanics252633
Electromagnetic Theory443234
Quantum Mechanics273338
Thermodynamics and Statistical Physics323343
Atomic and Molecular Physics22-441
Solid State Physics332341
Nuclear and Particle Physics422223
General Aptitude555555

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