56th to 59th B.P.S.C. (Pre) 2014
Cosmic rays –
aAre charged particles✓ Correct
bAre uncharged particles
cCan be charged as well as uncharged
dNone of the above
Explanation
Cosmic rays are not a part of the electromagnetic spectrum. They are high-energy charged particles that travel through space at nearly the speed of light.
general-science