1.

Consider the following electromagnetic waves
1. X - rays
2. y - rays
3. Microwaves
4. radio waves
What is the correct sequence in the order of their increasing energy ?

A. 4,3, 1 and 2
B. 1, 3, 2 and 4
C. 4, 2, 1 and 3
D. 1, 4, 3 and 2
Answer» B. 1, 3, 2 and 4


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