Question

Which properties characterize X-rays?

विकल्प

• Wavelengths below the visible red region and frequencies lower than microwaves

• Longest wavelengths and lowest frequencies

• Very short wavelengths, very high frequencies, and high penetrating power

• A narrow visible frequency band detectable by the human eye

Answer 1

X-rays have very short wavelengths and very high frequencies. They also have high penetrating power.