InterviewSolution
Saved Bookmarks
| 1. |
Which one of the following statements is not true about cosmic rays? (a) They have very high frequency. (b) They have very high wavelength. (c) They are made of highly energetic charged particles. (d) They originate from the sun |
|
Answer» (b) They have very high wavelength. Cosmic rays have very high frequency >1023 Hz and wavelength <10–24 m. |
|