Question

The increasing order of wavelengths
radiations in an electromagnetic spectn
is .....
1) y -rays, U.V. rays, Microwaves, I.R.ray
2) U.V. rays, I.R. rays, Microwaves, Y-ray
3) Microwaves, Y-rays, U.V. rays, I.R. ray
1) y-rays, U.V. rays, I.R. rays, Microwave
f the value of principal quantum numb​

Answer 1

I think options

1) y -rays, U.V. rays, Microwaves, I.R.ray

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Answer 2

Answer:

y-rays, U.V. rays, I.R. rays, Microwave