1.

Which is the frequency range of gamma rays from the following?

A. 1 10<sup>18</sup> to 3 10<sup>22</sup> Hz
B. 3 10<sup>-18</sup> to 5 10<sup>22</sup> Hz
C. 3 10<sup>18</sup> to 5 10<sup>22</sup> Hz
D. 3 10<sup>-18</sup> to 5 10<sup>-22</sup> Hz
Answer» D. 3 10<sup>-18</sup> to 5 10<sup>-22</sup> Hz


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