SSSIHL Admission Test M.Sc. Materials Science Question Paper : Sri Sathya Sai Institute of Higher Learning

Name of the Organisation : Sri Sathya Sai Institute of Higher Learning
Exam : SSSIHL Postgraduate Programme Admission Test
Degree : Postgraduate Programme
Subject : M.Sc. Materials Science
Document Type : Model Question Paper
Website : https://www.sssihl.edu.in/
Download Model Question Paper :  https://www.pdfquestion.in/uploads/25147-Materials.pdf

SSSIHL Admission Test M.Sc. Materials Science Question Paper

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Important Instructions

i) Answer the following questions in the space provided.
ii) Please write your Application Id and name on the Answer sheets.
iii) Choose the correct answer and WRITE IN CAPITAL LETTER viz., A, B, C, D or E for the multiple choice questions. Each MCQ carries one mark and there will be negative marking for each wrong answer.
iv) Write detailed answer as required for other questions.

Sample Question

1. If a = [4-15] and b = [258]??, the inner product of these vectors is given by ( )
A) 43
(B) 23
(C) -52
(D) 52

2. One of the Eigen vectors of the above matrix are ( )
A) [21]
(B) [13]
(C) [12]
(D) [23]

3. The angle between the vectors a = [1, 2, 0] and b = [3, -2, 1] is ( )
A) 96.8650
(B) 85.8650
(C) 750
(D) 900

4. If v = yz i + 3zx j + z k, then k is ( )
A) -x j + 3x k
B) –y j + 2z k
C) –x i + y j + 3z k
D) -3x i + y j + 2z k

5. The coefficient of xn in the exponential series for ex is ______. (1M)
6. Evaluate(c+2)500  (1M)
7. Show that a rectangle having maximum area for a given perimeter must be a square. (3M)
8. Write the Maclaurin series of 2. (3M)

9. The shortest wavelength present in the radiation from an X-ray machine whose accelerating potential is 50,000 V is ( )
A) 100 nm
B) 10 nm
C) 2.14 nm
D) 0.0248 nm

10. The Brewster angle for a medium with refractive index n and air is approximately ( )
A) tan-1(n)
B) tan-1(1/n)
C) sin-1(n)
D) sin-1(1/n)

11. A crystal plane cuts intercepts of a, b/3 and 3c/2 along x, y and z directions. The Miller indices of the plane are ( )
A) (392)
B) (362)
C) (123)
D) (121)
E) (122)

12. Two radioactive samples S1 and S2 have half-lives 3 hours and 7 hours respectively. If they have the same activity at a certain instant t, what is the ratio of the number of atoms of S1 to the number of atoms of S2 at the instant t? (3M)

13. A mass M moves with speed V in the x-direction. It explodes into two pieces that go off at angles ?1, ?2 as shown in figure. What are the magnitudes of the momenta of the two pieces? (3M)

14. State LeChatelier’s principle. (2M)
15. Deduce the oxidation states of Cl and N in the ions ClO? , NO2? and NO3?. (2M)

16. When 1 mole of ice melts at 00C and at a constant pressure of 1 atm, 1440 cal of heat are absorbed by the system. The molar volumes of ice and water are 0.0196 and 0.0180 liter, respectively. Calculate ?H and ?E. (3M)

17. A sample of pure calcium metal weighing 1.35 gm was quantitatively converted to 1.88 gm of pure CaO. If the atomic weight of oxygen is taken to be 16.0, what is the atomic weight of calcium? (4M)

Syllabus

Cryptogams and Phanerogams :
Important features (habit, morphology and reproduction); General classification of Virus, Bacteria, Algae and Fungi; Common Viral, fungal and Bacterial diseases in Plants, Animals and Man; Economic importance of Bacteria, Algae and Fungi and their applications; Evolutionary trends among Bryophytes, Pteridophytes and Gymnospenns; Binomial nomenclature and modem trend in taxonomy; Economic importance of Brassicaceae, Melliaceae, Reguminaceae, Solanaceae and Poaceae.

Plant Anotomy :
Types of meristamatic and other tissue systems in Plants; Anatomy of root, stem and leaf in Dicots; Micro and Macro Sporogenesis; Endosperm: Formation and Types; Polyembryony: Embryogenesis in Morocots and Dicots: Types and examples.

Plant Physiology :
Osmosis – Principle, Mechanism and factors affecting osmosis; Active Transport – Principle and mechanism; Physiology of Photosynthesis – Introduction, PSI & PSII systems, Mechanism of Photosynthesis – Light and Dark reaction; Respiration – Kinds of respiration, aerobic and anaerobic respiration,

Microbiology :
Classification and characteristics of microorganisms, Physiology and Cu1tivation of microbes. Microbes in water, soil, air food and secuage; Air, Water, Soil, food and Vector bore diseases prophylactic measures Antigen, Antibody reactions and Principles of immunization.