What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 ...

Author Question: What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 ... (Read 105 times)

theo

Hero Member
Posts: 698

on: Jul 28, 2018

What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 m?

Question 2

What is the maximum kinetic energy (in eV) of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?
a. 1.9
b. 1.2
c. 3.1
d. zero
e. 6.2

sailorcrescent

Sr. Member
Posts: 334

Reply #1 on: Jul 28, 2018

Answer to Question 1

1.7 103 Hz

Answer to Question 2

b

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theo

Hero Member
Posts: 698

Reply #2 on: Jul 28, 2018

sailorcrescent

Sr. Member
Posts: 334

Reply #3 on: Jul 28, 2018

You're welcome

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Author Question: What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 0.20 ... (Read 105 times)

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