# NIFTEM-Physics- End Semester Question Paper Dec 2019- 1st year

## NIFTEM-Physics- End Semester Question Paper Dec 2019- 1st year

The information shared below is only to get a rough idea of NIFTEM’s end semester question paper pattern. However, questions proportion from the syllabus topics may vary every semester.

#### Important points-

1. Time- 3:00 hours
2. Total Marks- 100
3. Three parts A, B & C, in which Part A is compulsory of (30 marks) having Objective questions, MCQs, Fill in the blanks and matching type questions. Students have to answer the questions from Part-A on the paper itself. Time allotted for Part-A is 40 minutes
4. Part B & part C consists of 40 marks and 30 marks respectively. Part B- 8 questions of 5 marks each & Part C- 3 Questions of 10 marks each. Time for Part-B and C is total of 2:20 hours.

# PART B

Answer any 8 questions from the following-

1. What is Nicol Prism? How it can polarise the light?
2. Differentiate between free, damped and forced oscillations with examples.
3. Explain and discuss the Meissner’s effect in superconducting materials.
4. Explain and discuss Bragg’s Diffraction Law in crystallography.
5. Give the description of the semiconductor laser.
6. Discuss the applications of ultrasonic waves in food industries.
7. Derive the time-independent Shrodinger’s Wave equation.
8. Discuss the electrical and optical properties of Nano-structured materials.
10. What are nuclear radiation detectors? What is their basic principle?

# PART C

1. Explain Seebeck, Peltier and Thomson effects of Thermoelectricity and discuss the law of successive temperatures.
2. State and prove Maxwell’s equations.
3. Describe the principle, construction, and working of the piezo-electric method to produce ultrasonic waves.
4. Give the description of the Sol-gel method for the synthesis of nanostructured materials.
5. Describe the construction and working of G M counter.
##### Best of Luck !!

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