#### The energy of the em waves is of the order of 15 ke V. To which part of the spectrum does it belong ? Option 1) Infra - red rays Option 2) Ultraviolet rays Option 3) - rays Option 4) X - rays

As we learnt in

X Rays -

Frequency Range  Hz to  Hz

- wherein

Wavelength Range 0.1  to 100

The wavelength corresponding to 15KeV

This belong to X ray region of EM wave.

Option 1)

Infra - red rays

Incorrect

Option 2)

Ultraviolet rays

Incorrect

Option 3)

- rays

Incorrect

Option 4)

X - rays

Correct