GTU IMPORTANT QUESTIONS

                      GTU IMPORTANT QUESTIONS                                                                    

These all questions are the most frequently asking in recent GTU exam papers. These all questions are according to new syllabus. This will truly help you to pass in exams.

PHYSICS 

1.       What are the characteristics of LASER? Describe the principle, construction and working of Nd-YAG Laser with suitable diagrams.Also its applications.

2.       Derive an expression for Claussius – Mosotti relation and explain the assumptions involved.

3.       Discuss in detail how the different properties of nonmaterial changes with reduction in size.  Describe Electric arc method of CNT synthesis. Explain the Chemical Vapour Deposition method to synthesis the CNT.

4.       Give difference between step index fiber and graded index fiber.

5.       Write a short note on followings: i) Isotopic effect ii) Meissner effect . Calculate the critical current for a superconducting wire of lead having diameter 1mm at 4.2 K. Critical temperature for lead is 7.18 K and H0= 6.5 ×104 A/m. 04 03 (b) 1. Discuss the properties of LASER in detail.

6.       Give the properties of Ultrasonic waves. Describe basic principle, construction and working of Piezoelectric method to produce the ultrasonic waves.

7.       Discuss the properties of Superconducting materials.

8.       Compare Type-I and Type-II Superconductors.

9.       The volume of a room is 1500 m3 . The wall area of the room is 260 m2 , the floor area is 140 m2 and the ceiling area is 140 m 2 . The average sound absorption coefficient for the wall is 0.03, for the ceiling 0.8 and for the floor 0.06. Calculate the average absorption coefficient and the reverberation time.

10.   Define magnetic materials. Classify diamagnetic, paramagnetic and ferromagnetic materials in detail giving their differences.

11.   What are the properties of metallic glasses? Mention some important applications.

BASIC ELECTRONICS

1.       Write about ideal operational amplifier with necessary circuit diagram and equations.

2.      Classify the types of Computer network? Explain each one of them in brief.

3.      Describe band pass active filter using Operational amplifier with necessary diagrams and equations.

4.      Write Short note on SR flip flop,D flipflop,J-KFF with circuit diagram and truth table.

5.      Reduce the given function using K-map. F(A,B,C,D) = ∑mi (1,3,5,7,8,9,13,14).

6.      Reduce the given function using K-map, F= Sm(1,3,5,9,11,13)

7.      Explain digital control system with necessary block diagrams

8.      State the need of modulation and what are the other advantages of modulation in communication system?

9.      What is difference between in Microprocessor and Microcontroller?

10.  Define Waveguide, Transmission lines and Antenna(i) Reflection (ii) Directivity (iii) Isotropic (iv)Radiator.

11.  For the logic expression (i) Obtain the truth table. (ii) Name the operation performed (iii) Realize this operation using AND, OR, NOT gates (iv) Realize Same operation using only NAND gates

DATA STRUCTURE

1.      What is hashing? What are the qualities of a good hash function? Explain any two hash functions in detail.

2.      What is a binary search tree? Create a binary search tree for inserting the following data. 50, 45, 100, 25, 49, 120, 105, 46, 90, 95 Explain deletion in the above tree.

3.      What is a minimum spanning tree? Explain Kruskal’s algorithm for finding a minimum spanning tree.

4.      Explain BFS and DFS in detail.Also  write its advantages  & disavantages.

5.      Construct a binary tree from the traversals given below: Inorder: 1, 10, 11, 12, 13, 14, 15, 17, 18, 21 Postorder: 1, 11, 12, 10, 14, 18, 21, 17, 15, 13

6.      Write ‘C’ functions to: (1) insert a node at the end (2) delete a node from the beginning of a doubly linked list.

7.      Convert (A + B) * C – D ^ E ^ (F * G) infix expression into prefix format showing stack status after every step in tabular form. 

8.       Write an algorithm to implement insert and delete operations in a simple queue.

9.      With figure, explain the following terms: (1) Depth of a tree (2) Sibling nodes (3) Strictly binary tree (4) Ancestor nodes (5) Graph (6) Minimum spanning tree (7) Degree of a vertex

10.  Explain Right-in-threaded, left-in-threaded and full-in-threaded binary trees

11.  Convert A+(B*C-(D/E^F)*G) infix expression into postfix format showing stack status after every step in tabular form.

12.  Explain deletion in an AVL tree with a suitable example.

13.  Discuss various methods to resolve hash collision with suitable examples.