Question

The patient is asked to drink barium sulphate $BaS{O}_4$ for examining the stomach by X-rays because X-rays are __________.

• A. less absorbed by heavy atoms
• B. more absorbed by heavy atoms
• C. reflected by heavy atoms
• D. refracted by heavy atoms

Answer 1

The correct option is B more absorbed by heavy atoms

As $BaS{O}_4$ has higher molecular mass, it can absorb more X-rays and give better X-ray imagery of body.