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# 2014 Acharya Nagarjuna University B.Tech 4th Year - Semester 1 - Analytical Instrumentation - Bapatla Engineering College - April 2014 Question paper

 Course: University/board: Acharya Nagarjuna University

Are you searching for the old question papers of Analytical Instrumentation - Bapatla Engineering College - B.Tech? This is the original question paper from the B.Tech fourth year first semester exam conducted by Bapatla Engineering College in April 2014. Feel free to make a copy and use it to prepare for your upcoming exams.

IV/IV B.Tech Degree Examinations, April 2014

First Semester

Analytical Instrumentation

Time : 3 hours

Maximum Marks : 60

Answer ONE question from each Unit

1. Answer the following [12 x 1 = 12M]
a) What is the difference between a filter and a monochromator?
b) State Beer Lambert's law.
c) Mention any two detection used in UV measurement.
d) In which region 'electronic transitions' take place?
e) What are the sources of radiation in Mid Infrared region?
f) Write the difference between dispersive and non dispersive spectrometers.
g) What are the sweeping modes in continuous wave NMR spectrometers?
h) What is the principle of ESR?
i) What is Duane Hunt equation?
j) Write down the units of radio activity.
k) What are the applications of radio nuclides?
l) Which type of compounds can be analyzed using X – ray diffractometer?

UNIT - I [1 x 12 = 12M]

2. a) Explain double beam UV spectrometer.
2. b) Calculate the critical angle between a prism with a refractive index of 1.75 and a sample with a refractive index of 1.22. Estimate the angle of incident radiation that should be used to obtain an AT spectrum of the sample. (OR)
3. a) State and explain Beer Lambert's law. What are its limitations?
3. b) Briefly explain any two detectors used in UV spectrophotometry.

UNIT - II [1 x 12 = 12M]

4. Explain the principle and working of FTIR spectrophotometer with necessary diagrams. (OR)
5. Explain the different types of flame photometer.

UNIT - III [1 x 12 = 12M]

6. a) Explain ESR spectrometer.
6. b) Explain broad band NMR spectrometer. (OR)
7. Explain with a neat sketch the construction and principle of a Time of flight mass spectrometer.

UNIT - IV [1 x 12 = 12M]

8. a) Explain the principle and working of proportional center and ionization chamber.
8. b) Discuss the applications of X Ray spectrometry. (OR)
9. a) Write about solid state detectors.
9. b) Write about fluorescence spectroscopy.

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