C:-Compton scattering
D:-Pair production
Correct Answer:- Option-A

Question49:-The name of invisible image formed as a result of exposure to radiation which later becomes visible during
photographic development

A:-Latent image
-Photographic image
C:-Fog
D:-Fixing
Correct Answer:- Option-A
Question50:-In conventional radiation therapy, daily fraction dose given will be
A:-1 to 1.5 Gy
B:-1.8 to 2 Gy
C:-2 to 2.8 Gy
D:-None of the above
Correct Answer:- Option-B
Question51:- is the beam modifying device used for tilt of isodose curves from normal position.
A:-Wedge
B:-Diaphragm
C:-Collimator
D:-Cerrobend blocks
Correct Answer:- Option-A
Question52:-Lymphatics from uterus drain to all except
A:-External iliac lymph nodes
-Internal iliac lymph nodes
C:-Inguinal lymph nodes
D:-Mesenteric lymph nodes
Correct Answer:- Option-D
Question53:-Inherent filtration of X-ray tube is equivalent to
A:-<0.5 mm Al
B:-0.5-1 mm Al
C:-1.5 mm Al
D:-2.5 mm Al
Correct Answer:- Option-B

Question54:- is the cheapest and most commonly used imaging modality in the initial staging of Hodgkin's
disease.

A:-CT scan

B:-MRI scan

C:-Ultrasonogram

D:-PET scan

Correct Answer:- Option-A
Question55:-Which of the following layers of the film contain silver halide crystals ?

A:-Super coat

B:-Base
:-Adhesive layer

D:-Emulsion

Correct Answer:- Option-D
Question56:-Ammonium Triphosphate is used as

A:-Developing agent

B:-Buffer
:-Hardener

D:-Fixing agent

Correct Answer:-Question Cancelled
Question57:- is a tissue equivalent material placed close to skin surface.

A:-Orfit shell

B:-Bolus

C:-Vaclock

D:-Cone

Correct Answer:- Option-B