How Many Times Longer Is the Wavelength of Electromagnetic Radiation $\alpha$

question 85

Multiple Choice

How many times longer is the wavelength of electromagnetic radiation used in a microwave oven at 2.45 GHz than the copper K- $\alpha$ 1 X-ray radiation used in X-ray diffraction studies with an energy of 1.29 $\times$ 10^-15 J?

• A)6.29 \(\times\) 10⁷ times longer
• B)7.54 \(\times\) 10⁷ times longer
• C)7.92 \(\times\) 10⁸ times longer
• D)7.95 \(\times\) 10¹⁷ times longer
• E)1.90 \(\times\) 10²⁴ times longer