Which of the following is the wavelength of microwave radiation?

• A. 10 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 780nm
• B. 0.78 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 30¬¨¬®¬¨¬µm
• C. 0.6 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 10 m
• D. 0.75 ‚Äö√Ñ√∂‚àö√ë‚àö¬® 3.75 mm