b Calculate the velocity in m/s of an electron that has a wavelength of 1.33 nm.

Question

b Calculate the velocity in m/s of an electron that has a wavelength of 1.33 nm. Provide your answer in the box in scientific notation with the correct number of significant figures. Answer: 5.47x106 mis 8 points c A pulse of photons with wavelength 453 m has a total energy of 1.55 102 kJ. Calculate the total amount of photons in the pulse in moles. Provide your answer in scientific notation with the correct number of significant figures. EA 1.ssx105)( 4. S 3 x 1 D 2.48 x io8 hotn S Answer: 3.5 xio 7 photons 8 points

Explanation / Answer

First answer is absolutely fine but the second one I got 3.5346*1019 .

So please recalculate once again and check.

Thanks

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