Diploma In Radiation Technology Ist Year (Main)

Examination September-2013
RADIOLOGICAL PHYSICS

Paper - IV

Time: Three Hours

Maximum Marks : 100


 (रेडियोग्राफी पेपर्स में राजस्थान यूनिवर्सिटी ऑफ़ हेल्थ साइंस जयपुर तथा राजस्थान पैरामेडिकल कौंसिल जयपुर के पिछले सालो के पेपर्स का संकलन किया गया है जिन्हे आप ड्रापडाउन मेनू में प्राप्त कर सकते है तथा इनके आंसर भी https://radiography-wala.blogspot.com/ पर उपलब्ध है जिन्हे इस लिंक पर क्लिक करके पाया जा सकता है|)

 

Each question carries 1 mark.

1. The dimension formula for force is ............

2. The unit of capacitance ................

 

3. The potential energy between the two point charge is ..............

 

 4. The value of 1eV =......................

 

5. The electric potential energy can be measured in ............

 

6. In a semiconductor the Fermi level lies in the .................

7. The diamagnetic behaves like a ....................

8. The middle of the band energy gap is maximum in the case of ...................

9. The electron emitted by a thermionic emitter are called ...........

10. The temperature above which paramagnetic substance becomes paramagnetic is ..........

11. .................is the device which convert AC to DC.

12. The addition of impurities with semiconductor is known as .............

13. The transformer working in  ..................current only.

14. The formula for efficiency of transformer is .................

15. Photofluorography is photography of X-ray images from ................

16. The potentiometer is used to measure the ...............

17. Ohm's law is given by V= ...............

18. The unit of charge is .............

19. THe unit of current ..................

20. The unit of heat capacity ...................                                                          1X20=20

Attempt any FIVE questions fromSEVEN questions.

Each question carries 16 marks.

 

1. a) State heat transfer and explain the types.  8

    b) Describe the construction and working of a moving coil galvanometer.   8

2. a) Explain the classification of magnetic material.  8

    b) State the explain the self and mutual induction.  8

3. a) Give the short notes for thermionic emission.  8
        

    b) State and explain the hysteresis loop. 8
        

4. a) Describe the energy band diagram of conductor, insulator, and semiconductor.    8

    b) Explain how n type and p type semiconductor are obtained ?   8

5. a) Explain the working of bridge type and full wave rectifier.   8

    b) What are the classification of magnetic materials ?   8

6. a) What are ferromagnetic materal and diamagnetic materials ?   8

    b) State and explain Ohm's law.  8

7. a)  Explain faraday's experiment (relationship between induced EMF and flux).   6

    b) Define thermionic emission.  6
        

    c) Explain rectification (half wave and full wave).   6