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GATE 2021 Physics (PH) Answer Key – The candidates can check GATE Physics answer key 2021 from this page. Using the answer key and the marking scheme of GATE 2021, candidates can calculate their estimated score in the exam. The answer key has correct answers to all the questions asked in the exam. Check the GATE 2021 Physics (PH) Answer Key from this page below.
GATE 2021 Physics (PH) Answer Key
- Exam Date – February 06, 2021
- Subject paper – Physics (PH)
- Time – 3.00 PM – 6.00 PM
- GATE 2021 Result Date: 22 March 2021
Hi,
If you appeared for GATE 2021 PH paper, then submit your questions and we will provide you the answer key. Click on the button below to submit answers. All the best!
Q1. According to the born Approximation, the elastic scattering amplitude calculated with U(r) for a momentum transfer q and α —-> 0 is preproportional to – where U(r) = μo e-ar / r
Q2. The normalised radial wave-function of the second excited state of Hydrogen atom is R(r) = 1 / √24 a-3/2 r/a (e-r/2a). The distance at which electron is most likely to found as y * a. The value of y is?
Q3. For a system having the energy of nth state En = (n + 1/2). then the expression for Helmholtz free energy will be?
Q4. λ1 = 289.8nm, λ2 = 579.6nm
T1 – 10,000k, T2 = ?
Ans.5,000k
Q5. Amongst the spectroscopic term notations aS1, 2D7/2, 2D5/2 which is possible for L-S computing?
Ans. 3S1
Q6. If a and b are constant vectors where r and p are generalized positions and conjugate momenta for the transformation, then Q = a.p and P = b.r to be canonical, then a.b=?
You can also check: GATE answer keys for all 27 papers
GATE 2021 Physics (PH) Answer Key
Check the important dates of GATE 2021 answer key given below.
GATE 2021 Answer Key | Dates |
---|---|
Exam Date | 06, 07, 13, and 14 Feb 2021 |
Availability of official answer key | 4th week of Feb 2021 |
How to Calculate Score Using GATE 2021 Physics (PH) Answer Key?
In order to calculate scores using GATE 2021 Physics (PH) answer key, the candidates can follow the steps given below.
1st step: First of all, access the link of the answer key given above and download it.
2nd step: Then, download the question paper and response sheet as well.
3rd step: Now, cross-check the answers and write down the correct and incorrect answers.
4th step: Next, use the marking scheme given below to calculate the probable scores.
Type of questions | Marks for Correct Answers | Negative Marking |
---|---|---|
Multiple-Choice Questions (MCQ) | +1 for 01 marker questions +2 for 02 marker questions | -1/3 for 01 mark MCQ -2/3 for 02 mark MCQ |
Multiple-Select Questions (MSQ) | +1 for 01 marker questions +2 for 02 marker questions | No Negative Marking |
Numerical Answer Type Questions (NAT) | +1 for 01 marker questions +2 for 02 marker questions | No Negative Marking |
GATE Physics (PH) Paper Cut Off
Along with the result, the subject-wise cut-off is also released. The cut-off refers to the minimum qualifying marks that candidates need to get to take admission in their desired course and college.
GATE cut-off is decided according to various factors like the total number of candidates who appeared for the exam, difficulty level of exam, category of applicants etc.
Check the previous year’s GATE Physics (PH) cut-off
Paper | General | OBC (NCL) | SC / ST / PwD |
---|---|---|---|
Physics – PH | 37.2 | 33.4 | 24.8 |
GATE 2021 Question Paper
GATE question paper is released subject-wise at gate.iitb.ac.in. The question paper is released along with the answer key. The candidates can use the question paper and answer key together so as to have the better idea about the scores.
GATE 2021 Official Physics Paper Answer Key
IIT Bombay will release GATE 2021 Physics (PH) paper answer key online at gate.iitb.ac.in after the conclusion of the exam of all the dates. The official GATE 2021 Physics answer key can also be challenged if the candidates find any error in it.
How to Download GATE 2021 Official Answer Key?
Given below are the steps to download GATE 2021 official answer key.
1st step: Visit the official website, gate.iitb.ac.in.
2nd step: Then, click on the relevant link of the answer key.
3rd step: After following the step given above, a PDF will open.
4th step: Lastly, download the answer key. Also, download the question paper and start cross-checking the answers.
GATE 2021 Result
To check GATE 2021 result, the candidates have to login into GOAPS portal.
- The candidates need to enter their enrolment number / email address and password.
- The scorecard of GATE is valid for 3 years from the date of announcement of the result.
- Details like subject paper, marks out of 100, All India Rank, qualifying marks, GATE score are mentioned.
About GATE 2021
Graduate Aptitude Test in Engineering (GATE) is a computer-based test held for admission into Master’s programs such as M.E / M.Tech / M.Arch / Ph.D. The exam is objective in nature. The exam is conducted for 27 subjects in two sessions. Many PSUs also accept GATE scores for requirements.