Gamma rays and xrays

1
Gamma rays and x-rays
A chest X-ray
2
pass through
soft tissue
X-rays
3
and
X-rays
gamma radiation
bones
and
are absorbed by
THICK metal plates
LEAD
4
Gamma radiation
X
A
helps
B
destroys
C
absorbs
X
cancer cells and tumours
5
Gamma radiation is used to
X
A
penetrate
X
B
transmit
C
sterilise
surgical instruments.
6
Gamma radiation is used
X
A
to cause food poisoning.
B
to kill harmful bacteria in food
X
C
to cook food.
7
X-rays and gamma rays
X
A
transmit
B
absorb
X
C
damage
living tissue.