Monday 17 March 2014

MCQ---COSMIC RADIATION


 Cosmic radiation

344.All true regarding cosmic radiation except
a.generated in space such as sun
b.made purely of a broad spectrum of X- and gamma rays
c.mostly attenuated by the atmoshphere
d.the amount is about 320 microSv/year at the sea level

e.the cosmic radiation increases with altitude

No comments:

Post a Comment