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

question 120

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 *10^-15 J?

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

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