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Question 1 a)velocity of an electron emitted by a metal whose threshold frequency is 2.24×1014 s−1s−1 when...

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Chemistry

Question 1

a)velocity of an electron emitted by a metal whose thresholdfrequency is 2.24×1014 s−1s−1 when it is exposed tovisible light of wavelength 5.14×10−7 mm .

Find the Velocity

b)What is the de Broglie wavelength of an electron traveling at1.61×105 m/sm/s?

Find de Broglie wavelength

Answer & Explanation Solved by verified expert
4.3 Ratings (670 Votes)
Question1 Ans a From Photoelectric effect expression 12 mv2 hv hv0 1 Where m Mass of electron 91 x 1031 kg v velocity of electron emitted    See Answer
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