92.

98.

94.

88.

96,

97,

Which of the following is/are advantages of CT over traditional 2D 17661081 radiography?

(A) Completely eliminates the superposition of images of structures outside the area
of interest

(0) High contrast resolution
(€) Multi-planar reformatted images
(D) All of the above

The device or implants that are completely non-magnetic, non electrically conductive, non
RF reactive are called :

(ക MR-safe (B) MR-conditional

(¢) MR-unsafe (D) None the above
Ultrasound devices operates with frequencies in the range :

(4) 20 KHz - several GHz (B) 20 KHz - several MHz

(C) 20 Hz-20KHz (D) 20 Hz- 2000 Hz

Which of the following technique is used in chemistry to provide a fingerprint by which
molecules can be identified?

(ಗಿ) Infrared spectroscopy (B) Fourier transform spectroscopy
(C) Raman spectroscopy {D) Czerny-turner monochromator

Which of the following relates the attenuation of light to the properties of the material
through which the light is traveling?

(A) Snells law (8) Raman effect
(C) Beer'slaw ' (D) Huygens-Fresnel equation
Solutions with a pH less than 7 ೩/9 :
(ക Alkaline (B) Organie
(C) Neutral (D) Acidic
Lasers differ from other sources of light in such a way that the light emitted by laser is :
4) Pure (B) Coherent
(©) Intense (D) Monochromatic
Frequency doubted diode pumped solid state lasers are used to make :
(ക Bright red laser Pointers (B) Fiber lasers
(C) Crystal lasers (D) Bright green laser pointers
100. Ruby used in ruby laser is made off :
(A) Yttrium lithium fluoride (൫) Chromium doped corundum
(©) Yttrium aluminium garnet (D) Neon- Copper

069/2016 14 A