XRAY PHYSICS QUIZ

X-rays were discovered by Roentgen in

• 1885

• 1895

• 1884

• 1886

Safe light used in dark room in x-ray department is

• White

• Red

• Blue

• Green

Atomic weight is equal to total number of

• Protons

• Neutrons

• Electrons

• Protons and neutrons

X-rays are produced by

• Electrons

• Positrons

• Neutrons

• Protons

Use of filters results in

• Soft beam

• wider beam

• less beam

• beam of greater intensity

Use of cone results in

• Higher contrast

• lower contrast

• less motion

• low scale contrast

Target material in a xray tube is made up of

• Lead

• Tungsten

• Cobalt

• Copper

Grid is used for reducing

• scatter radiation

• patient exposure time

• xray contrast

• motion blur

X-ray films are least sensitive to which coloured light

• Red

• Blue

• Yellow

• Violet

Thickness of lead in lead apron is

• 1

• 2

• 1.5

• 0.5