Show that an X-ray of frequency 7.60 x 10¹7 Hz has a wavelength of approximately 4.0 × 10-10 m. Show that an electron travelling at a speed of 4.10 x 106 ms¹ has ade Broglie wavelength of approximately 1.8 × 10-¹0 m. ]A student is investigating the atomic spacing in graphite. The atomic spacing is approximately 0.15 nm. The two possible methods are: using the diffraction of the X-rays in Question 05.1 using the diffraction of the electrons in Question 05.2. State and explain which is the better method.