Q1. The relation between absorbed dose and Kerma (β = D/kcol) for mega voltage beam is greater than 1 at
- (1) Build up region
- (2) transient electronic equilibrium region
- (3) Charge particle equilibrium
- (4) Free air chamber
Asst. Professor Radiological Physics 2020 Question Paper PDF | RPSC
- Year 2020
- Conducted By RPSC
- Questions 180
- Maximum Marks 180
- Duration 3.00 Hours
- Languages Hindi & English
Exam Details
| Detail | Information |
|---|---|
| Examination | Asst. Professor (Broad Speciality) |
| Year | 2020 |
| Conducting Body | RPSC |
| Paper | Radiological Physics |
| Subject | Radiological Physics |
| Duration | 3.00 Hours |
| Maximum Marks | 180 |
| Number of Questions | 180 |
| Question Type | Objective (MCQ) |
This is the official question paper for the RPSC Asst. Professor (Broad Speciality) examination held in 2020, specifically for the Radiological Physics paper. The exam consists of 180 objective questions, with a total maximum mark of 180. Candidates are allotted 3.00 hours to complete the paper. This paper is crucial for aspirants preparing for the RPSC Asst. Professor recruitment, offering insights into the exam pattern, question difficulty, and key topics covered in Radiological Physics.
Major Topics Covered
- Radiological Physics
- Ionization
- Absorbed Dose
- Kerma
- Photon Energy
- Bragg-Gray Cavity Theory
- ICRU Sphere
Why This Paper is Important
- Useful for Asst. Professor (Broad Speciality) preparation
- Helps understand the latest exam pattern
- Useful for practice and self-assessment
- Covers frequently asked General Studies topics
- Helpful for analysing question trends
Related Resources
- RPSC Asst. Professor Physics 2020
- RPSC Asst. Professor Medical Physics 2020
- Radiological Physics Previous Year Papers
- RPSC Asst. Professor Radiological Physics 2020 Answer Key
- RPSC Asst. Professor Radiological Physics Syllabus
- Radiological Physics Exam Syllabus
- RPSC Asst. Professor Exam Pattern
- Radiological Physics Exam Pattern
Instructions
- सभी प्रश्नों के उत्तर दीजिए । All questions carry equal marks.
- प्रत्येक प्रश्न का केवल एक ही उत्तर दीजिए ।
- If more than one answers are marked, it would be treated as एक से अधिक उत्तर देने की दशा में प्रश्न के उत्तर को गलत माना जाएगा ।
- प्रत्येक प्रश्न के चार वैकल्पिक उत्तर दिये गये हैं, जिन्हें क्रमश: 1, 2, 3,
- Each question has four alternative responses marked serially as 1, 2, 3,
- You have to darken only one circle or bubble 4 अंकित किया गया है ।
- अभ्यर्थी को सही उत्तर निर्दिष्ट करते हुए उनमें indicating the correct answer on the Answer Sheet using BLUE से केवल एक गोले अथवा बबल को उत्तर पत्रक पर नीले बॉल BALL POINT PEN. प्वाइंट पेन से गहरा करना है ।
- The OMR Answer Sheet is inside this Test Booklet. When OMR उत्तर पत्रक इस परीक्षा पुस्तिका के अन्दर रखा है। जब आपको
- you are directed to open the Test Booklet, take out the परीक्षा पुस्तिका खोलने को कहा जाए, तो उत्तर-पत्र निकाल कर Answer Sheet and fill in the particulars carefully with blue ध्यान से केवल नीले बॉल पॉइंट पेन से विवरण भरें । ball point pen only.
- प्रत्येक गलत उत्तर के लिए प्रश्न अंक का 1/3 भाग काटा जायेगा । गलत
- 1/3 part of the mark(s) of each question will be उत्तर से तात्पर्य अशुद्ध उत्तर अथवा किसी भी प्रश्न के एक से अधिक deducted for each wrong answer. A wrong answer means उत्तर से है ।
- किसी भी प्रश्न से संबंधित गोले या बबल को खाली छोड़ना an incorrect answer or more than one answers for any question. Leaving all the relevant circles or bubbles of any गलत उत्तर नहीं माना जायेगा । question blank will not be considered as wrong answer.
- मोबाइल फोन अथवा इलेक्ट्रोनिक यंत्र का परीक्षा हॉल में प्रयोग पूर्णतया
- Mobile Phone or any other electronic gadget in the वर्जित है ।
- यदि किसी अभ्यर्थी के पास ऐसी कोई वर्जित सामग्री examination hall is strictly prohibited. A candidate found मिलती है तो उसके विरुद्ध आयोग द्वारा नियमानुसार कार्यवाही की with any of such objectionable material with him/her will be जायेगी । strictly dealt as per rules. कृपया अपना रोल नम्बर ओ.एम.आर. पत्रक पर सावधानीपूर्वक सही
- Please correctly fill your Roll Number in O. M. R. Sheet. . भरें ।
- गलत अथवा अपूर्ण रोल नम्बर भरने पर 5 अंक कुल प्राप्तांकों में 5 Marks can be deducted for filling wrong or incomplete Roll स काट जा सकत ह Number. Warning : If a candidate is found copying or if any unauthorized चेतावनी: आगर कोई अभ्यर्थी नकल करते पकड़ा जाता है या उसके पास से कोई अनधिकृत सामग्री पाई जाती है, तो उस अभ्यर्थी के विरुद्ध पुलिस में material is found in his/her possession, F.I.R. would be lodged against him/her in the Police Station and he/she would liable to be प्राथमिकी दर्ज कराते हुए विविध नियमों-प्रावधानों के तहत कार्यवाही की prosecuted. Department may also debar him/her permanently जाएगी ।
- साथ ही विभाग ऐसे अभ्यर्थी को भविष्य में होने वाली विभाग की from all future examinations. समस्त परीक्षाओं से विवर्जित कर सकता है इस परीक्षा पुस्तिका को तब तक न खोलें जब तक कहा न जाए । Do not open this Test Booklet until you are asked to do so. 08 - 12
- Only one answer is to be given for each question.
Questions (page 2)
Q2. Roentgen to cGray conversion factor for air, under the conditions of electronic equilibrium, is
- (1) 0.876
- (2) 0.95
- (3) 0.58
- (4) 1.95
Q3. At what depth the personal dose equivalent is defined for photon energies above 15 keV ?
- (1) 0.7 mm
- (2) 0.07mm
- (3) 3 mm
- (4) 10 mm
Q4. The ICRU sphere is a 30 cm diameter tissue equivalent sphere which contains
- (1) 76.2 % oxygen
- (2) 86.2 % oxygen
- (3) 66.2 % oxygen
- (4) 56.2 % oxygen
Q5. How much average energy is required to produce 5 ion pair in dry air ?
- (1) 69.85 eV
- (2) 369.85 eV
- (3) 269.85 eV
- (4) 169.85 eV
Q6. The Mass Energy Absorption Coefficient for 0.01 MeV photon energy is maximum for
- (1) Air
- (2) Bone
- (3) Water
- (4) Muscle
Q7. Increase in temperature of water produced by 1 Gy is
- (1) 1.39 × 10^-4 °C
- (2) 0.39 × 10^-4 °C
- (3) 2.39 × 10^-4 °C
- (4) 3.39 × 10^-4 °C
Q8. Bragg-Gray cavity theory is
- (1) Based on ionization produced in a gas-filled cavity placed in medium
- (2) can measure accurately for photon beams of energy above 3 MeV
- (3) basis of TRS- 398 protocol
- (4) not valid for particle dosimetry
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Frequently asked questions
What is the name of the exam?
The exam is for the post of Asst. Professor (Broad Speciality) in Radiological Physics.
Which conducting body organized this exam?
The exam was conducted by RPSC (Rajasthan Public Service Commission).
In which year was this exam conducted?
This exam was conducted in the year 2020.
What is the subject of this question paper?
The subject is Radiological Physics.
What is the total number of questions in the paper?
There are 180 questions in the booklet.
What is the maximum marks for this paper?
The maximum marks for this paper is 180.