Pieces of potassium (Φ  = 3.68 ×× 10–19 J) and sodium (Φ  = 4.41 ×× 10–19 J) metal are exposed to radiation of wavelength 370.0 nm.   Which metal emits electrons with the greater velocity? What is the velocity of the electrons from potassium? m/s  What is the velocity of the electrons from sodium? m/s

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Pieces of potassium (Φ  = 3.68 ×× 10–19 J) and sodium (Φ  = 4.41 ×× 10–19 J) metal are exposed to radiation of wavelength 370.0 nm.

 

Which metal emits electrons with the greater velocity?

What is the velocity of the electrons from potassium? m/s 

What is the velocity of the electrons from sodium? m/s 

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