Q1. Radiation protection concept in Radiology practice.

A. Optimisation for radiation protection (OPR)

B. As Low as Reasonably Achievable (ALARA)

C. Both A and B 

D. None 


2. Radiation is  defined as 

A. Energy is transmitted from one location to another.

B. Heat is Transmitted from one location to another.

C. Charge is transmitted from one location to another.

D. All of the above.


Q3. Which of the following is not done in case of brain tumour ?

A. CT scan 


C. Skull X-RAY 

D. Lumbar puncture 


Q4. In MRI, the strength of MRI is 

A. 0.6 Tesla 

B. 1.5 Tesla 

C. 3 Tesla 

D. Both B and C


5.Best view for sella turcia is 

A.  Open mouth 

B.  Oblique view 

C.  AP view

D.  Cone Lateral view 


6. Best method to diagnose bronchiectasis is 

A. X-Ray

B. Bronchography 




7. EM radiation depends on 

A. Wavelength

B. Velocity 

C. Intensity 

D. Penetrating power 


8. All are true except 

A. X-ray is an invisible ray 

B. X-ray  having a short wavelength 

C. X-ray is ionizing power 

D. X-Ray can be used to see the object.


9. What is the Gamma energy of annihilation radiation used in PET SCAN? 

A. 0.511KeV 

B. 0.500KeV 

C. 0.01KeV 

D. 0.25KeV 


10. Hecto is 

A.  102

B.  103

C.  104

D.  10-3 


11. In an X-ray tube electrons travel from 

A.  Cathode to Anode 

B.  Anode to Cathode 

C.  Cathode to sidewall 

D.  Anode  to sidewalls 


12.  Full form of DSA –

A. Digital Source Angiography 

B. Digital Substance Angiography 

C. Digital Substraction Angiography 

D. Data Subtraction Angiography 


13. Y view is for 

A. Skull 

B. Shoulder 

C. Scapula 

D. Foot 


14. TLD is used for 

A. Radiation monitoring

B. Radiation protection 

C. Both A & B 

D. None 


15. 1 Sievert is equal to 

A. 1 rem 

B. 10 rem 

C. 100 rem 

D.1000 rem 


16. High kVp is mostly used in 


B. Pelvis 

C. Skull 

D. Spine 


17. Glass window of X- RAY tube is made of  

A.  Lead 

B.  Tin 

C.  Beryllium

D. Aluminium 


18. Barium swallow is done for 

A. Stomach 

B. Esophagus 

C. Rectum 

D. Large intestine 


19. The value of CT number is determine by 

A.  Matrix size 

B.  Slice thickness 

C.  kV 

D.  Tissue density 


20. In IVP, in children contrast is given as 

A. 1-2 ml/ kg 

B.  2-3ml/ kg 

C.  3- 4 ml/kg 

D.  No contrast is given 


21. What is the CT number for blood?

A.  40 – 50

B.  60 – 90

C.  100 – 200

D.  1000 


22. Dexa scan is done for 

A.  Measure bone density 

B.  To view spine fracture 

C. To look at the blockage 

D. None 


23. Stryker view is done for 

A.  Chest 

B. Temporal bone 

C.  Shoulder 

D.  Styloid process 


24. MRI is invented by 

A.  Purcell 

B.  Rutherford 

C.  Hounsfield 

D.  Roentgen 


25. Atomic number of gadolinium is 

A. 65

B. 64

C. 89 

D. 92 


26. Solide state detector is used in which generation 

A.  1st

B.  2nd

C   3rd

4.  4th 


27. NaI detector system which generation used ?

A.  1st

B.  2nd

C.  3rd

D.  Both A and B 


28.Xenon detector system used in which generation ?

A.  1st

B.  2nd

C.  3rd

D.  4th 


29.Translate and rotate detector used in which generation 

A.  1st

B.  2nd

C.  3rd

D.  Both A and B 


30.Rotate – rotate detector used in which generation? 

A.  1st 

B.  2nd

C.  3rd

D.  4th 


31. Only Rotate tube system was used and the detector assembly does not rotate,  which generation used?

A.   1st

B.   2nd

C.   3rd

D.   4th 


32. CTDI stands for 

A.  CT density index 

B.  CT dose index 

C.  CT diameter index 

D.  None of the above 


33. CT number for fat is 

A   100 

B.  1000 

C. -40 -60 

D. -100 


34.ALARA Principal is base for 

A. Time 

B. Distence 

C  Shielding 

D. All the above 


35. Raw data of MRI after the acquisition is temporarily saved in 

A. K Space 


C. Magnetic coil 

D. None 


36. The mathematical calculation used to convert raw data into CT images is 

A. Fourier transformation 

B. Shell data Technique  

C. Analog-digital technique 

D. None 


37. Which sensing material is used in TLD 

A. Barium sulfate 

B. Calcium sulfate / Lithium fluoride

C. Sodium iodide 

D. None 


38. Barium meal is the study for 

A. Kidney 

B. Stomach 

C. Rectum 

D.  None 

39.Horseshoe kidney is related to 


A.  Foot 

B.  Liver 

C.  Kidney 

D.  Skull 


40. HSG stands for 

A.  Hysterosalpingography 

B.  Hystero salivarygarphy 

C.  Hyster sigmoidgraphy 

D.  Hepetosalpingography 


41. Advantage of DR system is 

A. Save time 

B. Save expenditure on the film 

C. Immediate readout 

D. All of the above 


Another Set of Radiophysics MCQ-

1. Boxer fracture is related with
D.Little finger ( meta carpal)

2. Atomic number of Tungsten is ?

A. 74
B. 53
C. 73
D. 76

3. Before doing contrast study  which lab test is mandatory? 
A. Renal function test 
C. Hemoglobin 
D. All of the above 

4.Hounsfield( HU )of fat …
A.  1000
B. + 1000
C.  -60 to – 100
D. 0

5. Which is not the severe contrast reaction? 
A. Nausea 
B. Severe Bronchospasm 
C. Laryngeal oedema 
D. Loss of consciousness 

6.Frog leg view is done for ? 
A. Skull 
B. Shoulder 
C.  Hip 
D.  None 

7. What is DWI sequence? 
A. Diffusion weighted imaging 
B. Diffusion weight image 
C. Diffused way image 
D. None 

8. REM full form 
A. Radiation equivalent man 
B. Rapid eye movement 
C. Rapid eye man 
D. Roentgen equivalent  man 

9. ERCP full form 
A. Endoscopically retrograde Cholangiopancreatography 
B.Endoscopic retrograde Cholangiopancreatography 
C. Endoscopic retrograde pancreatography 
D. Endoscopic retrograde cholangiography

10. CT number of water is …
A. 100
B. 10 
C.  0 
D. 1000 

11. CT number of blood is …
A. 40 
B. 60 
C. 60- 90
D. 50 – 70 

12. X-ray  tube consists 
A. Anode 
C.Berryllium window 
D. All of the above 

13.1 inch is equal to ..

14. In MRI ,TOF is ..
A. Time of flight 
B. Time of fight 
C. Train of fan 
D. None 

15. Common femoral artery is branch of 
A. Abdomen arota 
B. Iliac artery 
C. Tibia artery 
D. None 

16.Exposure to ionizing radiation can be limited ? 
A. With the use of shielding 
B. By increasing  distance from the source 
C. By limiting the time exposed to the radiation 
D. All of the above 

17. The lowest rate of ultrasound absorption occurs in..
A. Fat 
B. Air 
C. Bone 
D. Lung 

18. Melting point of tungsten in degrees Celsius? 
A. 3370 
B. 337 
D. 3372 

19. Modern X-ray tube  has …
A. 1 filament 
B. 2 filament 
C. 1 anode 
D. Both A and B 

20.Aromic number of Tin is 
A. 51 
B. 50 
C. 52 
D. 53 

21. The amount of radiation  intensity reduced if proper shielding is done..
A. To the half value layer of material
B. To the 10th value layer of the material 
C. Both A and B 
D. None 

22. What is the full form of BEIR ? 
A. Biological effects of ionizing radiation 
B. Bio effects of ionizing radiation
C. Bio effects of ion  radiation 
D. Biological effect of ionizing radiation 

23. TLD stands for …
A.Thermo luminescent dosimeter 
B. Thermo light dosimeter 
C. The light dosimeter 
D. None 

24. Beam hardening artifact is associated with …
B. CT Scan 
D. None 

25. The skin dose is the …
A. Entrance skin dose 
B. Exposure to the entrance surface of the skin 
C. Absorbed dose below the skin surface 
D. A and B are correct 

26. The unite of RF power density is …
A. Watts 
B. Watts per kilogram 
C. Watts per square meter 
D.Coulombs per kilogram 
27. Diffusion weighted imaging measure… 
A. Motion to water molecules 
B. Motion of cells 
C. Chemical composition of cells 
D. Ratio of water to fat 

28.Converts x-ray into light …
A. Backing layer 
B. Crystal layer 
C. Phosphor layer 
D. Lead layer 

29.Atlas is a part of …
A. Cervical spine 
B. Dorsal spine 
C. Lumber spine 
D. All 

30. For trauma cervical spine which view taken ? 
A. Lateral view 
B. AP view 
C. Both A and B 
D. None 

31. Posterior fossa lesion are best seen in  …
A. CT 
D. Bone scan 

32 .Routine abdominal imaging in USG…
A. 3- 5 MHz
B. 5- 7 MHz
C. 6.5 – 7.5 MHz 
D. 5.5 – 6.7 MHz 

33.Wavelength of x-ray …
A. 0.1- 1A°
B.0.2 – 2 A° 
C. 2- 3 A° 
D. 00.1- 0.1A° 

34. Grid ratio is …
A. Height of grid / thickness of interspace material 
B. Height of grid / grid strip thickness 
C. Height of grid / grid diameter 
D. None 

35. Dose limit for the eye  per year ( NCRP)
A. 500 mSv
B. 150 mSv 
C. 50 mSv 
D. 5 mSv 

36.Dose limit of Gonads is 
A. 00.5mSv 
B. 0.5 mSv 
C.0.005 mSv 
D. 0.02mSv 

37. In manual processing , developing takes …
A.15 sec 
B. 22 sec 
C. 5 min 
D. 10 min 

38. What is the DICOM full form ? 
A. Digital imaging and communication 
B. Digit imaging and community
C. Both A and B 
D. None 

39. Open MRI is most suitable in …
A. Claustrophobic patient 
B. Children 
C. Both A and B 
D. All 

40. Different type of coils use in MRI are ..
A. Shim coil 
B. Gradient coil 
C. RF coil 
D. All 

41. Permanent magnet used in MRI is made of 
A. Iron 
C. Alnico  ( Aluminium,Nickel,Cobalt)
D. None 

42. Disadvantages of MRI …
A. High cost 
C.Long imaging time 
D. All 

43.For screening of breast scan  which is best technique…
A. CT 
C. Mammography 
D. X- Ray

44. CT number for bone is …
A. 100 
B.  0 
D. + 50 

45.Investigation of choice for a lesion of the temporal bone is …
A. X-Ray
B. CT 

46.Hounsfield units depends on 
A. Election density 
B. Mass density 
C. Effective atomic no

47.Which gives maximum radiation dose to the patient? 
A. Chest 
D.Bone scan 

48. The Innominate bone is located in the …
A. Middle cranial fossa 
B. Posterior cranial fossa 
C. Foot 
D. Pelvis

49.Beam hardening artifact is related to…

50.Highly radiosensitive normal tissue…

51.CT scan room is shielded by …
A. Tungsten 
C. Lead 
D. Glass

Some important objective question and answer –

1. Radio graphic film has …….parts .
A. Two
B. Three 
C. Four 
D. Five 

2. Adhesive layer is present between ..
A.Base and base 
B.Base and super coat 
C. Base and emulsion 
D. Emulsion and emulsion 

3. The thickness of Radiographic film is …
A. 0.05 mm
B. 0.4mm 
C. 0.25mm 
D. 1.5mm 

4. Radiographic film has …..
A. Single coated layer 
B. Double coated layer 
C. Both 
D. All of the above 

5. Heart of Radiographic film is …
A. Emulsion 
B. Base 
C. Flexibility 
D. Stability 

6. The science dealing with properties of matter and energy is ….
A. Physiology 
B. Physics 
D. Psychology 

7.The smallest subdivision of an element is…
A. Molecule 
B. Atom 
C. Proton 
D. Electron 

8.The Electromagnetic radiation travels in …
A. Air 
B. Presence of oxygen 
C. Water 
D. Vacuum 

9.The energy associated with the motion of an object is called …
A. Electrical 
B. Kinetic 
C. Potential 
D. None of the above 

10.The material in which the current flows rapidly is known as …
A. Insulator 
B. Semi conducter 
C. Conductor 
D. Semi insulator 

11. The substance which does not allow electrons to flow is called ..
A. Conductor 
B. Semi conducter 
C. Insulator 
D. Semi- insulator 

12. The Visible light consists of ….
A. Two colours
B. Five colours 
C. Seven colours 
D. Four colours 

13. The glass envelope of x-ray tube is made of …
A. Steel 
B. Borosilicate or Pyrex glass 
C. Ordinary glass 
D. Fiber glass 

14. Most of the rotating anodes revolve with a speed of ……. Regulation per minute.
A. 3400
B. 3000
C. 1500 
D. 4500 

15. The penitration of x-ray beam is directly related to ..
A. Selection of mA 
B. Selection of kVp 
C. Distence 
D. Time of exposure 

16.The area of anode disc on which the bombardment of electrons takes place …
A. Focus 
B. Stem 
C. Rotor 
D. Spot 

17. The % of amount of heat produced in an X-ray tube is …
A. 1%
B. 30%
C. 90 %
D. 99%

18. Which of the following will increase the radiation dose to the patient …
A. Use of collimator 
B. Use of high Kv and low mAs 
C. Use of low Kv and high mAs 
D. Use of cones 

19. Who has invented Computerized tomography is ….
A. Roentgen 
B. Godfrey Hounsfield 
C. Madam Curie 
D. Bucky 

20. The normal range of human hearing …
A. 0 to 20 Hz 
B. 20 to 20,000 Hz
C. 20,000 to 50,000Hz 
D. Above 50,000Hz 

21.The  Filter  used in diagnostic x- ray tubes are made of   …
A. Aluminum 
B. Copper 
C. Tin 
D. Lead 

22.The most frequent error in the use of grid is …
A. Improper grid ratio
B. Improper grid type 
C. Improper positioning 
D. None 

23.Modern ( 4th generation ) CT scanner used …
A. 4800 detectors 
B. 100 detectors 
C. 30  detectors
D . 4 detectors 

24.Minimum Anode heating capacity for CT tube is ….
A. 1 MHU 
B. 2 MHU
C. 0.5 MHU 
D. 0.25 MHU 

25. Minimum anode heating capacity for spiral CT tube is ….
A. 1.5 MHU 
B. 2.5 MHU 
C. 3 MHU 
D. 4 MHU 

26.TLD used for personal monitoring in India is ….
A. LiF
B. CsI 
C. CaSO4: Dy (3:1)
D. AgBr 

27. The lateral curvature of vertebral column is known as …
A. Lordosis
B. Scoliosis 
C. Kyphosis 
D. Sarcoidosis 

28. Breast Bone is ….
A. Scapula 
B. Sternum 
C. Clavicle 
D. Humerus 

29. Digestion of protein start from ….
A. Mouth 
B. Esophagus
C. Stomach 
D. Duodenum 

30. The suture which join two parietal bone …
A. Lambdoid 
C. Saggital 
D. None 

31.The fluid containing cavities in the brain is known as …..
A. Sinuses 
B. Ventricles 
C. Spinal card 
D. Frontanales 

32.The area where Coronal suture and saggital suture meet is known as ….
A. Sinuses
B. Ventricles 
D. Lambdoid 

33.The most sensetive  cells to ionizing radiation are …
A. Bone cells 
B. Muscle cells 
C. Nerves cells 
D. Reproductive cells 

Full form –

ERCP- Endoscopic Retrograde Cholangiopancreatography 

MRCP- MR Cholangiopancreatography 

RF – Radiofrequency effect

Gd- DTPA – Godolinium – Diethyl Triamine Panta Acetic acid. ( Magnevist, Ultravist ), Generally Godolinium chelate hota hai .

Spiral / Helical CT scan – Continuous source rotation, table translation, and data acquisition, this data multiple slices covering the volume of the patient.

I hope you like this post- MCQ  of RADIOGRAPHY STUDENTS.


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