1.

Electromagnetic spectrum consists of the following radiations I. X-rays II. Gamma rays III. Ultraviolet radiations .Choose the correct order of code in the increasing order of their frequency:

A. I, iii, ii, iv
B. Ii, i, iii, iv
C. Iv, ii, iii, i
D. Iv, iii, i, ii
Answer» E.


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