GGTU Research Eligibility Test RET Physics Question Paper 2018 : Govind Guru Tribal University

Name of the University : Govind Guru Tribal University
Exam : Research Eligibility Test 2018
Subject : Paper-II – Physics
Document Type : Model Question Paper
Year : 2018
Website : https://www.ggtu.ac.in/
Download Model Question Paper :
Physics QP : https://www.pdfquestion.in/uploads/25339-Phy.pdf
Answer Key : https://www.pdfquestion.in/uploads/25339-Physics.pdf

GGTU RET Research Eligibility Test Physics Question Paper

No. of Pages in Booklet : 08
No. of Multiple Choice Objective Questions in Booklet : 50
Time : 60
Maximum Marks : 100

Related : Govind Guru Tribal University RET Research Eligibility Test Education Question Paper 2018 : www.pdfquestion.in/25334.html

Instructions

1. Answer all the questions.
2. Every question is of two marks.
3. There are no negative marks for incorrect answers.

4. At the commencement of examination, the Question Booklet will be given to you. In the first five minutes, you are requested to open the Booklet an compulsorily examine it as below: Tally the number of pages and number of questions in the Booklet with the information printed on the cover page.

** Faulty Booklets due to pages/questions missing or duplicate or not in serial order or any other discrepancy should be got replaced immediately by a correct Booklet rom the invigilator within the period of five minutes. Afterwards, neither the Question Booklet will be replaced nor any extra time will be given.

5. Give one answer of each question in a separately provided OMR answer sheet.
6. Rough work is to be done on the back of printed papers.

7. There are four optional answer of each question which have written A, B, C, D in English and v] c] l] n in Hindi respectively. Candidate is required to darken the correct options of the answers of each question in the box givenagainst each question No. on the answer sheet. Use only blue/black ball point pen.

8. If you write your Roll No. or put any mark on any part of the Answer Sheet, except for the space allotted for the elevant entries, which may disclosed your indentity or use abusive language, you will render yourself liable to disqualification.

** Carrying or use of copying material, talking with another candidate during examination isprohibited. Mobile phone or any electronic equipment is prohibited in the examination hall. If any of the prohibited material or any complaint is received against any candidate, necessary action as per rules will be taken against such candidate.

9. In case any of the candidate is found to copying or any unauthorised/prohibited material is found form his/her, anFIR shall be lodged in the Police against that candidate and action will be taken under Rule 3 of the Prevention of Unfair means Act, 1992. Such applicant can be prohibited from appearing in all examination in future.

10. The English version will be treated as standard in case of any ambiguity or printing mistake.

Sample Question

1. Let x1 = (1, 2, -1), x2 = (2, b, 4) and x3 = (3, -2, c) form a set of orthogonal vectors under the standard Euclidean inner product in R3 space, then values of b and c are-
(A) -1, 1
(B) 1, -1
(C) 5, 1
(D) 3, 0

2. A matrix B of size 3×3 has the eigen values 1, 3, -2. The matrix I has the eigen values 1, 1, 1. The three eigen values of the matrix D = 3 B3 + 5 B2 – 6 B + 2I are-
(A) 4, 40, 10
(B) 4, 40, 6
(C) 4, 110, 10
(D) 4, 110, 6

3. Let z is a complex number then (iz) can be obtained from-
(A) Clockwise rotation by p
(B) Anticlockwise rotation by p
(C) Clockwise rotation by (p/2)
(D) Anticlockwise rotation by (p/2)
4. Zero of the complex function f (z) = 3z2 – 5z + 2 are at-
(A) 3 1/2
(B) -6, 1
(C) 3, 2
(D) -2

5. Coefficient of zn in the expansion of x e gives nth order-
(A) Bessel function
(B) Hermite polynomial
(C) Laguerre function
(D) Legendre function

6. In finding root of the equation f(x) = x3 – 4x – 9 by the bisection method, we choose the interval [2, 3]. If x1 is the first approximation to the root, then x3 is-
(A) 2.5
(B) 2.75
(C) 2.625
(D) 2.25

7. If the Poisson bracket {x, p} = -1 then the Poisson bracket {x2 + p, p} is-
(A) -2x
(B) 2x
(C) 1
(D) -1

8. Which force cannot be treated under the quantum field theory?
(A) Weak force
(B) Pseudo force
(C) Strong force
(D) Electromagnetic force

9. 14. Result of the expression A (B C) where A, B and C r r r r r v • × are vectors is a-
(A) Pseudo scalar
(B) Pseudo vector
(C) Scalar
(D) Vector

10. What is FALSE regarding radiation from electric and magnetic dipoles?
(A) For both cases power radiated is equal
(B) Radiated power varies as (moment)2
(C) Angular distribution of intensity is identical
(D) Intensity in both cases vary as 2 r 1

11. Identify the FALSE statement: For an electromagnetic wave travelling in vacuum-
(A) B r is perpendicular to E v
(B) B r and E v are always out of phase
(C) The direction of motion is given by E v × Br
(D) has E0 = cB0

12. Light is going from glass to air. If refractive index of glass is 1.5 then the critical angle is-
(A) 41.8°
(B) 33.7°
(C) 56.3°
(D) 48.2°

13. 21. Which device exhibits technological application of electrostatics?
(A) Xeroxing
(B) Field lenses in oscilloscopes
(C) Particle precipitators
(D) All of these

14. A thermodynamic system has total N particles and e energy. Let ni particles, out of N, are distributed in gi states under different conditions. The possible number of ways, W under these conditions are listed in group A of the table given below. Each way leads to a distribution function given in group B of the table. Here a, A are constants and Identify the correct match of W and f (e)-
(A) (P, 3) (Q, 2) (R, 1)
(B) (P,2) (Q, 3) (R, 1)
(C) (P, 3) (Q, 1) (R, 2)
(D) (P, 1) (Q, 3) (R, 2)

15. 25. At the time of baking if we come in contact with steam of a punctured chapati then burning is more in comparison to touching the chapati directly. Which quantity of the steam is responsible for this?
(A) Specific heat
(B) Temperature
(C) Entropy
(D) Latent heat

16. The signal which acts to demultiplex the address and data bus in 8085 microprocessor is-
(A) ALE
(B) INTR
(C) MEMW
(D) IOPR

17. In the table given below three regions of the output characteristic of a transistor are listed in Group A. Various biasing conditions of the two junctions of a transistor are given in Group B.
Group A Group B
P Active region 1 Input-Forward; Output-small Reverse or Forward
Q Cut-off region 2 Input-Reverse; Output-Reverse
R Saturation region 3 Input-Forward; Output-Reverse

The correct match of region in the output characteristic and its biasing condition is given by the pairs-
(A) (P, 3) (Q, 2) (R, 1)
(B) (P, 2) (Q, 3) (R, 1)
(C) (P, 3) (Q, 1) (R, 2)
(D) (P, 1) (Q, 3) (R, 2)

18. Role of preamplifier in energy dispersive spectroscopy is-
(A) Wave shaping
(B) Signal amplification
(C) Improve statistics
(D) Impedance matching

19. If the product of two hermitian operators Aˆ , Bˆ is skew hermitian then-
(A) + Aˆ = Bˆ
(B) + A = B ˆ -1 ˆ
(C) [Aˆ , Bˆ ] = 0
(D) {Aˆ , Bˆ }= 0

20. A material is when cooled below certain temperature, expels any small applied magnetic field on the material. What is the nature of the solid in the cooled state –
(A) Paramagnet
(B) Diamagnet
(C) Ferromagnet
(D) Anti-ferromagnet

Answer Key

1 B
2 C
3 D
4 A
5 A
6 D
7 C
8 A
9 B
10 D
11 A
12 C
13 B
14 A
15 C
16 A
17 D
18 B
19 A
20 D