Question

calculate de broglie wavelength of an electron and a proton having same kinetic energy of 100ev passing through a circular hole of diameter 2 A​

Answer 1

Explanation:

Answer:

How do you solve x/7-0.5=2.5?

1 Answer

Add 0.5 to both sides

x/7=3

Multiply both sides by 7

x=21

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