WAEC Physics
Which of the following statements about gamma radiation is correct? Gamma radiation can
a.
be seen by the naked eye
b.
not pass through an aluminium foil
c.
be present naturally in our surroundings
d.
be used as a tracer
Correct answer: D
Gamma rays can be used as a tracer.
The other options are not correct because gamma rays cannot be seen with the naked eye, gamma rays can easily pass through aluminum but are effectively stopped by lead blocks, and gamma rays are not present naturally in our surroundings.